44results about How to "Image display is clear" patented technology

The invention provides an organic light-emitting diode (OLED) display screen. The display screen comprises a glass substrate, a circuit layer, an anode layer, an organic luminescent layer, a cathode layer, a touch control inductive layer and a touch control detection unit, wherein the circuit layer, the anode layer, the organic luminescent layer and the cathode layer are arranged on one side of the glass substrate. The OLED display screen integrated with a capacitive touch screen provided by the invention can perform accurate touch control operation and clear image display at the same time. Compared with the prior art, the display screen has the advantages of reducing a plurality of structural layers and effectively lowering production cost and manufacturing difficulty. Moreover, the capacitive touch screen can be integrated in a bottom luminous OLED display screen structure so that the application range of technology can be expanded greatly.

An organic electroluminescence device includes: an anode; a cathode opposed to the anode; and a plurality of emitting units including at least a first emitting unit and a second emitting unit. The plurality of emitting units each includes: an emitting layer; and an intermediate unit between the first emitting unit and the second emitting unit. The intermediate unit includes an electron injecting layer, a zinc oxide layer and a hole injecting layer in this sequence from the anode. The electron injecting layer contains an electron donating material and is adjacent to the first emitting unit. The hole injecting layer contains an organic electron accepting material and is adjacent to the second emitting unit.

By controlling gray scale of a display device in accordance with an average luminance of a display screen, sharp display is performed. In addition, it is an object to provide a display device with reduced deterioration of a light emitting element, by the control in accordance with the average luminance of a display screen so as to perform display appropriately. A display which includes a plurality of pixels each including a light emitting element, a switching TFT and a driving TFT, an average gray scale calculation circuit which calculates an average luminance of all pixels in a frame period, a sub-frame-number control circuit which controls the number of sub-frames in accordance with the calculated average luminance level, and a potential control circuit which controls a potential applied to both ends of a light emitting element in accordance with the calculated average luminance level are included.

The invention provides a high-precision full-automatic BGA repair workbench. The high-precision full-automatic BGA repair workbench comprises a handpiece portion mechanism, an X-axis motor, an X-axis sliding rail, a Y-axis sliding rail, a Y-axis motor, a picking-up mechanism, a PCB supporting device, a cooling device, a feeding mechanism, a preheating box, an X shaft, a Y shaft, a datum base plate, a preheating device, a lower hot-air mechanism, a lower CCD vision mechanism, an upper machine body cover and a lower machine body cover. The handpiece portion mechanism is arranged on the X-axis sliding rail and comprises a handpiece fixing base, a surface mounting mechanism, an upper heating mechanism, an upper CCD vision mechanism, a headpiece cover, a heating motor, a surface mounting motor, a heating motor fixing base, a surface mounting motor fixing base, a coupler, a lead screw fixing base, a lead screw and a Z-axis sliding rail. According to the high-precision full-automatic BGA repair workbench, a vision automatic alignment system is adopted, image capturing and locating are conducted on a PCB and a BGA through a CCD, accurate alignment and surface mounting are achieved through analysis and deviation rectification by image processing software, and the surface mounting precision can reach + / -0.025 mm; in this way, the consistency of work quality is guaranteed, and high-end precise electronic products are easily processed.

The present invention is one dressing suggesting system based on environment sensing capable of proposing dressing suggestion by means of intelligent analysis technology, sensor detection technology and skin detection technology. The system includes a comprehensive information acquiring module, an intelligent information analysis and integration module, and a reference diagram library. The comprehensive information of peripheral environment is first obtained, and then intelligently analyzed to obtain intelligent analysis result for proposing dressing suggestion to the user. The present invention makes it possible for the user to use cosmetics scientifically and reasonably.

The invention provides an image processing method, an image processing system and a display panel. The image processing method comprises the steps of: collecting background colors and content colors of an image; dividing the image into regions, and analyzing and judging whether the background color and the content color in each region are similar colors, wherein a difference between HSL color modes of the similar colors which are two colors is less than 20 % to 30%; and modifying the background color or content color to a complementary color thereof if the background colors and the content colors in each region are similar colors. The imaging processing method can enable the background color and the content color in each region of the integral image to be In sharp contrast, and endows the matching of the two colors with high color saturation, thus the content in the image can be seen clearly, and the display effect of the image is improved, especially the image display effect of transparent display.

By controlling gray scale of a display device in accordance with an average luminance of a display screen, sharp display is performed. In addition, it is an object to provide a display device with reduced deterioration of a light emitting element, by the control in accordance with the average luminance of a display screen so as to perform display appropriately. A display which includes a plurality of pixels each including a light emitting element, a switching TFT and a driving TFT, an average gray scale calculation circuit which calculates an average luminance of all pixels in a frame period, a sub-frame-number control circuit which controls the number of sub-frames in accordance with the calculated average luminance level, and a potential control circuit which controls a potential applied to both ends of a light emitting element in accordance with the calculated average luminance level are included.

The invention discloses a preparation method of a graphene conductive film, and belongs to the technical field of conductive film production. The method comprises the following steps that A. a nickelfilm layer is deposited on a glass substrate; and the method for depositing the nickel film layer is the magnetron sputtering method; B. a graphene oxide film layer is prepared: a graphene oxide aqueous solution is coated on the nickel film layer and dried under the condition of 60-90 DEG C so that the graphene oxide film layer of which the thickness is 20-30 microns is formed; C. a graphene layeris deposited: the graphene film layer is deposited on the graphene oxide layer by using a CVD method, wherein the thickness of the graphene film layer is 50-90 microns; and D. the semi-finished product obtained in the step C is cooled in post-treatment, the graphene oxide film layer is cleaned by dilute nitric acid after the temperature reduces to the room temperature, the surface nickel film layer is removed and then drying is performed so that the graphene conductive film can be obtained. The preparation method of the graphene conductive film has the advantages of low production cost and high efficiency.

An antenna pattern having a broad band characteristic as to frequencies and having a wide directivity, and an electromagnetic wave energy processing device having the antenna pattern, particularly a sheet-like antenna or electromagnetic wave shielding filter. A conductor wire forming the antenna pattern comprises an aggregated wire consisting of mesh or continuously polygonal micro-image element lines or parallel element lines. The element lines are 5-300 μm in line width and 5-1,000 μm in line pitch interval, or the most preferably 5-30 μm in line width and 5-150 μm in line pitch interval. The element lines are printed with printing ink or paste material mixed with conductive powder. In accordance with necessity, pressure treatment or polishing treatment and / or conductive plating with aid of eletroless plating or directly without aid of eletroless plating are performed on the printed surface.

The present invention provides a laser speckle blood flow imaging enhancement method. The laser speckle blood flow imaging enhancement method is configured to perform noise reduction processing and the repairing processing of the laser speckle blood flow imaging to enhance the sharpness of the laser speckle blood flow imaging. Because the laser speckle blood flow imaging enhancement method employs the BEEMD processing algorithm for the laser speckle blood flow imaging, the microvessel image is more clearly displayed and more details are reflected so as to reduce the influence of the vibration noise on the blood flow dispersed map; because the employed BEEMD algorithm can effectively avoid the information loss at the aspect of the image rank correlation of the original EEMD algorithm to retain the completer image information as much as possible prior to the noise reduction operation; and finally, because the employed BEEMD algorithm is far better than each two-dimensional empirical mode decomposition (BEMD) on the computation speed, so that the laser speckle blood flow imaging enhancement method has a positive effect on the real-time monitoring in vivo.

The invention discloses a method for generating a DICOM image default window width and window level in a self-adaptive mode. The method comprises the steps of obtaining medical image data; calculatingthe maximum value and the minimum value of the image gray scale; constructing a grayscale histogram of the image according to the maximum value and the minimum value of the image grayscale; calculating all wave crest areas in the gray histogram; calculating an optimal histogram peak area corresponding to the tissue area; calculating an optimal display gray value interval of the image according tothe optimal histogram peak area, and calculating an optimal window width and an optimal window level according to the optimal display gray value interval of the image; and writing the calculated optimal window width and optimal window level into a DICOM image file to serve as default window width and window level. According to the invention, the optimal window width and the optimal window level of the DICOM image can be efficiently obtained without complex calculation and written into the DICOM file to serve as the default window width window level, so that the image is displayed more clearlyand conforms to the image reading habit.

The invention discloses a preparation method of a conductive film and belongs to the technical field of conductive film production. The method includes the following steps A. Depositing a nickel layer: depositing a nickel film layer with a thickness of 2 nickel atoms on the glass substrate; B. Depositing graphene layer: using CVD method to deposit graphene film layer, the thickness of the graphene film layer is 50-100 μm; during the deposition process of the CVD method, the carbon source is methane, and the gas is H 2 Mixed gas with He; C. Cleaning and drying: cool down the semi-finished product obtained in step B, and after the temperature drops to room temperature, clean the graphene film layer, remove the nickel film layer on the surface, and then dry it. Compared with the prior art, the invention has the advantages of low production cost, simple preparation method and high efficiency.

The invention discloses a three-dimensional (3D) crystal inside-carven photo frame. The 3D crystal inside-carven photo frame comprises two crystal glass blocks provided with three-dimensional laser engraving patterns in the insides and is characterized by further comprising a base and a fixing frame with two opened ends, wherein the bottom of the fixing frame is embedded into the center of the base, a limiting block is arranged on the bottom face of the fixing frame, and the limiting block and the bottom face of the fixing frame are connected onto the base through countersunk head screws. The two crystal glass blocks are respectively located on two sides of the fixing frame, and the end portions of the two crystal glass blocks are located in the fixing frame. A light source is arranged on the limiting block. The 3D crystal inside-carven photo frame has the advantages that firstly, the two crystal glass blocks provided with the three-dimensional laser engraving patterns in the insides are fixed on the base through the fixing frame, and the width of the base is large, so that the photo frame does not easily fall down; secondly, the light source is located in the fixing frame and located between the two crystal glass blocks, and light produced by the light source is diverged towards two sides and can enable images in the crystal glass blocks to be shown clearly.

A piece of digital image display equipment with interactive information inputted in a wireless way is provided. The equipment comprises an LCD television with a wireless access end and a dynamic random memory, a position sensor with an induction contact, and a touch pad fitted with the position sensor. People can write and paint on the touch pad through the position sensor, the writing and the painting can be displayed in the LCD television in real time, and the image display is clear. Moreover, the position sensor has a function of positioning the touch pad hung in the air in real time. Compared with a normal LCD television, the LCD television has more humanized control equipments, thus interactive input equipments of the LCD television can really play a greater role in family formative education of children.

The invention discloses a method for preparing a conductive thin film, and belongs to the technical field of conductive thin film production. The method comprises the following steps of A, depositing a nickel layer: depositing a nickel thin film layer with a thickness which is equal to that of 1-2 nickel atoms on a glass substrate; B, depositing a graphene layer: depositing a graphene thin film layer by a CVD method, wherein the graphene thin film layer is 40-60[mu]m in thickness; in the CVD method deposition process, methane is used as the carbon source; the gas is a mixed gas of H<2> and He at a volume ratio of 2-5 to 1; and the volume ratio of methane to the mixed gas is 8-10 to 1; and C, cleaning and drying: reducing the temperature of the semifinished product obtained in the step B, then cleaning the graphene thin film layer after the temperature is reduced to the room temperature, next, removing the nickel thin film layer from the surface, and drying. Detection proves that the light transmittance of the conductive thin film prepared by the invention is greater than or equal to 85%. Compared with the prior art, the conductive thin film prepared by the invention has the advantages of low production cost, simple preparation method and high light transmittance.

The invention provides a method for defining a static high-definition image shooting area in dynamic image preview, and belongs to the field of image processing. The method solves the problems that inan existing image interception mode, an intercepted image is not clear, an original high-definition image cannot be obtained or the intercepted high-definition image is an overall picture, secondaryclipping is needed, and operation is complex. According to the technical scheme, the method comprises: obtaining an original dynamic image in real time and previewed and displayed on a display screen,and obtaining a display screen dynamic image; calculating a width ratio or a height ratio of the original dynamic image to the display screen dynamic image; intercepting an image area in the dynamicimage of the display screen, and recording the position information of the intercepted image area; and acquiring position information, width and height of an image region in the original dynamic imageregion corresponding to the captured image region according to the position information of the captured image region and the width ratio or height ratio of the original dynamic image to the dynamic image of the display screen, and storing and displaying the position information, width and height of the image region on the display screen.

The invention provides a projection screen and a projection system, and relates to the technical field of medium and long focus optical projection. The projection screen is sequentially provided withan imaging element layer, an optical structure layer and a reflecting layer along the thickness direction; the cross section of the optical structure layer in the thickness direction is a plurality oftriangles which are arranged in rows; the optical structure layer is formed by sweeping a plurality of triangles along a plurality of arcs, one side of each triangle is arranged on the surface of theimaging element layer, and the angle, away from the imaging element layer, of each triangle ranges from 70 degrees to 110 degrees; the projection system comprises the projection screen and a projection device. By means of the arrangement, compared with diffuse reflection projection screens such as a white plastic screen, the projection screen has the advantages of being high in brightness, high in light energy utilization rate, low in energy consumption, high in graph definition, good in ambient light resistance and high in contrast ratio.

A hologram screen 1 displays an image by diffracting and scattering image light 31 projected from an image projection apparatus 2. An upward / downward light scattering device 13, which scatters light incident from an upward / downward specific angle range spreading obliquely upward or downward, is placed on the image projection apparatus side of a hologram device 12 in the hologram screen 1. A leftward / rightward light scattering device 14, which scatters light incident from a leftward / rightward specific angle range spreading obliquely leftward and rightward, is placed between the hologram device 12 and the scattering device 13. The construction is such that the upward / downward specific angle range contains the incidence angle of the image light 31 on the hologram screen 1, and thus provides a hologram screen having good color reproducibility and which permits viewing of the background.

A domino system comprises dominoes, a computer and a measuring and controlling plate for containing the dominoes. Pressure sensors are evenly distributed on the measuring and controlling plate, the computer is in signal connection with the measuring and controlling plate, an LED lamp system with a developing function is further arranged on the measuring and controlling plate, and the LED lamp system is in signal connection with the computer. According to the structural design, the dominoes are the same as dominoes in the prior art. The domino system is especially provided with the computer and the measuring and controlling plate. The measuring and controlling plate comprises a measuring and controlling plate main body, and the pressure sensors are evenly distributed on the measuring and controlling plate main body. Thus, when the dominoes are placed on the measuring and controlling plate, the pressure sensors can monitor that the dominoes are already arranged on the measuring and controlling plate. Furthermore, the finishing situation of the dominoes can be judged according to a trigger range of the pressure sensors. The measuring and controlling plate is further provided with the LED lamp system. The LED lamp system can clearly display images through calculation and pattern drawing, so that the dominoes are very convenient to place.

The invention provides a projection screen and a projection system, and relates to the technical field of medium and long focus optical projection. The projection screen comprises an imaging element layer, an optical structure layer and a reflecting layer which are sequentially arranged in the thickness direction. The optical structure layer is composed of a plurality of rows of triangular prism structures which are arranged in a row, the cross section of the optical structure layer in the thickness direction is a plurality of rows of triangles which are arranged in a row, one side of each triangle is arranged on the surface of the imaging element layer, and the angle, away from the imaging element layer, of each triangle ranges from 70 degrees to 110 degrees; the projection system comprises the projection screen and a projection device. Through the arrangement, compared with diffuse reflection projection screens such as a white plastic screen and the like, the projection screen has the advantages of high brightness, high light energy utilization rate, low energy consumption, high graphic definition, good ambient light resistance and high contrast ratio, solves the problems of lowbrightness, low contrast ratio, unclear images and poor ambient light resistance of a traditional medium-long-focus projection system, and obtains an excellent projection display effect.

The invention discloses a preparation method for a graphene conductive thin film, and belongs to the technical field of conductive thin film production. The preparation method comprises the following steps of A, depositing a nickel layer: depositing a nickel thin film layer with a thickness which is equal to that of 1-3 nickel atoms on a glass substrate; B, depositing a graphene layer: depositing a graphene thin film layer by a CVD method, wherein the graphene thin film layer is 50-100[mu]m in thickness; and C, cleaning and drying: reducing the temperature of the semifinished product obtained in the step B, then cleaning the graphene thin film layer after the temperature is reduced to the room temperature, next, removing the nickel thin film layer from the surface, and drying. The preparation method has the advantages of low production cost and high efficiency.

The invention discloses a preparation method of a graphene conductive film, which belongs to the technical field of conductive film production. The method includes the following steps A. Depositing a nickel thin film layer: depositing a nickel thin film layer on a glass substrate; B. Depositing a graphene film layer: depositing a graphene film layer by CVD method, the thickness of the graphene film layer is 50-90 μm; C. Cleaning and drying: cool down the semi-finished product obtained in step B, and after the temperature drops to room temperature, clean the graphene film layer with dilute nitric acid, remove the nickel film layer on the surface, and then dry it. The invention has the advantages of low production cost and high efficiency.

The invention provides an organic light-emitting diode (OLED) display screen. The display screen comprises a glass substrate, a circuit layer, an anode layer, an organic luminescent layer, a cathode layer, a touch control inductive layer and a touch control detection unit, wherein the circuit layer, the anode layer, the organic luminescent layer and the cathode layer are arranged on one side of the glass substrate. The OLED display screen integrated with a capacitive touch screen provided by the invention can perform accurate touch control operation and clear image display at the same time. Compared with the prior art, the display screen has the advantages of reducing a plurality of structural layers and effectively lowering production cost and manufacturing difficulty. Moreover, the capacitive touch screen can be integrated in a bottom luminous OLED display screen structure so that the application range of technology can be expanded greatly.

According to the dark image enhancement method based on Retinex, an image is converted from an RGB image to an HSV image, and the method is more in line with human vision. All the layers are directly connected together. In the novel architecture, the input of each layer consists of the feature mapping of all previous layers, and the output of each layer is transmitted to each subsequent layer. The feature maps are aggregated by a deep cascade. The depth of the neural network is improved, and the gradient disappearance problem is solved. An original network is up-sampled at the tail end of the network by using a nearest neighbor method to achieve a high-resolution size, compared with the original network, the improved EnhanceNet network adopts a bilinear interpolation up-sampling method, and by adopting the method, learning is not needed, the running speed is high, and the operation is simple. Only a fixed parameter value needs to be set, and the set parameter is a coefficient which needs to be multiplied by the central value. And compared with the original nearest neighbor algorithm up-sampling, the new up-sampling method can display the image more clearly, and the network effect is further improved.

The present invention is suitable for the technical field of image display devices, and provides a projection device. The projection device comprises a housing and a light source device, a color separation device, a light modulation device, an image combination device and an optical projection device which are arranged in the housing. The light source device comprises one or more than one quasi natural light LED light sources which emit quasi natural light, the relative spectrum power of the red light in the quasi natural light is larger than 0.60, the relative spectrum power of the cyan lightin the quasi natural light is larger than 0.30, the relative spectrum power of the blue light in the quasi natural light is smaller than 0.75, the blue light colour index is smaller than 5.7%, and the color rendering index of the quasi natural light is larger than 95. The projection device employs the natural light LED light sources to form a light source module arranged in the housing to providea comfortable and pleasant luminous environment being closer to the sunlight, improves the contrast and the saturability after the image combination, reduces the blue light relative spectrum power, improves the color rendering index and can effectively reduce the damaging of the blue light for human bodies' eyes.

The invention provides a MicroLED display panel and a forming method thereof. The display panel comprises a driving wafer, a MicroLED chip unit and a micro lens array, wherein the driving wafer is bonded with the MicroLED chip unit, the micro lens array comprises micro lenses which are distributed in an array, the micro lenses are hemispherical, and one side of the spherical surface of each micro lens faces the MicroLED chip unit. Therefore, light beams emitted by the MicroLED chip unit irradiate the spherical surface of the micro lens and are converged after being refracted, and better optical matching between the MicroLED chip unit and the micro lens array is realized, so that the light extraction efficiency is improved, the focusing of emergent light rays is more concentrated, the image display is clearer, and the light extraction efficiency is improved.

The invention discloses a VR mirror image therapeutic instrument and belongs to the technical field of VR. The VR mirror image therapeutic instrument comprises a host computer, and a hybrid motion capturing system, a mirror image display, a doctor display and an input device connected with host computer. The hybrid motion capturing system comprises an inertial motion capturing module and an optical motion capturing module, the inertial motion capturing module cooperates with arms of a patient to capture motion of upper limbs, and the optical motion capturing module cooperates with palms of thepatient to capture motion of hands. The demonstrated therapeutic instrument has a more vivid mirror image effect, can improve a visual feedback effect greatly, quantity a treatment effect, and help adoctor to master the rehabilitation condition of the patient, and a treatment scheme can be made to make the treatment process standard.

The invention discloses a sub-pixel driving circuit and a global display method. A gray value is converted into an analog voltage through progressive scanning or interlaced scanning, and the analog voltage is then applied to a sub-pixel unit. A first capacitor and a second capacitor are respectively used for voltage scanning and display driving. Global display is realized after a frame of image isscanned based on a linear relationship between a sub-pixel voltage and the gray-scale value corresponding to a sub-pixel. Before sub-pixel display is driven, a threshold value voltage of a drive tubeneeds to be captured. The threshold value voltage can be eliminated so as to make sure the sub-pixel driving circuit can work in a saturated region, an aim of compensation is attained, and image display clarity can be improved.