51results about How to "Extended Diffusion Angle" patented technology

A foldable display device includes a first plate member, a second plate member, a hinge assembly, and a flexible display member. The first plate member includes a first display surface and a first side. The second plate member includes a second display surface and a second side. The first side and the second side are close to each other. A first hinge member and a second hinge member of the hinge assembly are respectively connected to the first plate member and the second plate member. The flexible display member includes a first portion, a second portion, and a middle portion. The first portion contacts the first display surface. The second portion contacts the second display surface. The middle portion is between the first side and the second side. The first and second hinge members rotate relatively to have the flexible display member spread to be flat.

A curved light guiding illuminator includes primarily a curved light guide plate, a diffuser plate and a reflector. At least one edge of the curved light guide plate has plural light emitting elements, and one side of the curved light guide plate is a rough surface to change a light path. Therefore, the path of light generated by the light emitting elements at one edge of the light guide plate is changed by being reflected through the rough surface inside the light guide plate, and a wider area of irradiation is provided.

The invention discloses a PC (Polycarbonate) material with an excellent transparent light diffusion function and a preparation method thereof. The PC material is composed of polycarbonate, flame retardant masterbatch, an auxiliary flame retardant, a compound light diffuser, an antioxidant, a flame retardant synergist, a lubricant and other auxiliaries. The principle ingredient of the PC material is PC resin; the PC material is extruded by two steps, wherein the first step is to blend a sulfonate type major flame retardant and an organic silicon flame retardant with the PC resin by melting and granulate the mixture through extrusion by virtue of a twin-screw extruder so as to obtain the light diffusible flame retardant masterbatch, and the second step is to add the compound light diffuser, the flame retardant masterbatch, the antioxidant, the flame retardant synergist, the lubricant and other auxiliaries for further melting blending by taking PC as the major ingredient, and then extrude and granulate the mixture. The flame-retardant light diffusible PC material provided by the invention can be widely applied to an LED (Light-Emitting Diode) lamp, the backlight of a liquid crystal display, a transmission type screen, a decorative lighting billboard, an advertisement lamp box and the like in the lighting field.

The present invention provides a surveying device, which comprises rotators 53, 56 and 61 for deflecting a distance measuring light in horizontal direction and for projecting the distance measuring light in rotary irradiation, at least one extension member 62 for increasing a spreading angle in vertical direction of the distance measuring light, and a means for attaching or detaching the extension member so that the extension member can be inserted and removed to or from a distance measuring optical axis.

[Problem to be solved] To provide an inexpensive indicator member which can prevent a dark area from being formed at a location above a reflection part, an indicator unit having the indicator member and an indicator instrument having the indicator unit.[Solution to Problem] A hollow reflection part provided to an indicator part of an indicator main body of a light-emitting indicator includes a plurality of partial reflection parts having at least an pointing direction reflection face, a rear end direction reflection face and a corner formed at an intersection of the pointing direction reflection face and the rear end direction reflection face and arranged at a location opposed to the base part. The corners of the respective partial reflection parts adjacent to each other are displaced in a pointing direction or in a rear end direction.

The invention relates to an optical lens utilized for disposing above a light source. The optical lens has rotational symmetry relative to the central axis thereof. The central axis of the optical lens aligns with the center of the light source. The optical lens includes a bottom surface, an emergence surface with arc shape, an incidence surface with arc and concave shape, a curved surface with annular and concave shape and a light diffusing structure. The emergence surface connects a side of the bottom surface. The incidence surface connects another side of the bottom surface and lies in the middle of the bottom surface. The curved surface lies on the bottom surface and connects the incidence surface. The light diffusing structure is disposed on the curved surface. The invention improves the distribution of light projected on a light receiving surface and prevents a bright circle formed on the light receiving surface as a result of a gap that is formed by assembly tolerance of the optical lens and the light source.

A solid-state image sensor comprises a pixel unit having a substrate including therein a photoelectric conversion section and an optical waveguide arranged on a light incident side of the substrate so as to guide an incident light converted into a guided mode of the optical waveguide and being propagated through the optical waveguide to the photoelectric conversion section. The optical waveguide has a mode conversion section for changing a propagation state of the incident light such that the incident light being propagated through the optical waveguide has an electric field amplitude distributed with the same sign at a light incident surface of the substrate.

The invention provides an intelligent delivery robot. The intelligent delivery robot is provided with a shell, a movable bottom plate is arranged at the bottom of the shell, the movable bottom plate is provided with driving wheels and driven wheels, wherein two wheels are the driving wheels, and the others are the driven wheels; the driving wheels are driven by a motor, and the driven wheels are universal wheels; a camera and a 3D visual imaging sensor are arranged at the positions, close to the upper position, of the front and back of the shell; upper and lower layers of ultrasonic sensors are distributed at the periphery of the shell and used for measuring the distance and avoiding obstacle; the shell is sunken inwards and is provided with a combinable cabinet; the system supplies powerthrough a chargeable lithium battery pack; and a real-time positioning and automatic navigation module, an automatic obstacle avoidance function module, an automatic charging module, a voice recognition and dialogue module and a WIFI communication module are further included.

A solid-state image sensor comprises a pixel unit having a substrate including therein a photoelectric conversion section and an optical waveguide arranged on a light incident side of the substrate so as to guide an incident light converted into a guided mode of the optical waveguide and being propagated through the optical waveguide to the photoelectric conversion section. The optical waveguide has a mode conversion section for changing a propagation state of the incident light such that the incident light being propagated through the optical waveguide has an electric field amplitude distributed with the same sign at a light incident surface of the substrate.

The invention provides an intelligent cargo picking and delivering robot for a shopping mall supermarket. The robot is provided with a shell, wherein the bottom of the shell is a movable bottom plate;the movable bottom plate is provided with driving wheels and driven wheels, two of the wheels are the driving wheels, the rest wheels are the driven wheels, the driving wheels are driven by a motor,and the driven wheels are universal wheels; a camera and a 3D visual imaging sensor are arranged on each of the positions, close to the upper portion, of the front and the back of the shell; an upper-layer ultrasonic sensor and a lower-layer ultrasonic sensor are arranged on the circumference of the shell, and are used for ranging and obstacle avoidance; the shell is inwards recessed, and is provided with combinable storage cabinets; and the system is charged by a rechargeable lithium battery pack; and the robot further comprises a real-time positioning and automatic navigation module, an automatic obstacle avoidance function module, an automatic charging module, a voice recognition and dialogue module and a WIFI communication module.

A spray nozzle (10) of a press apparatus includes a nozzle main body (11) having a through-hole (12), and a diffusion member (13) provided inside the through-hole (12). The diffusion member (13) includes a protruding portion (22) that diffuses coolant that flows through the through-hole (12), by interfering with the coolant.

The invention discloses an intelligent restaurant service robot. The intelligent restaurant service robot comprises a shell, wherein the bottom of the shell is provided with a movable base plate, themovable base plate is provided with driving wheels and driven wheels, two of the wheels are the driving wheels, and the rest are the driven wheels; the driving wheels are driven by a motor, and the driven wheels are universal wheels; cameras and 3D visual imaging sensors are arranged at the positions, closed to the upper part, of the front and back of the shell; an upper-layer ultrasonic sensor and a lower-layer ultrasonic sensor are arranged on the periphery of the shell, and the sensors are used for distance measurement and obstacle avoidance; a food tray is arranged at the top of the shell,and a cover body capable of moving up and down is arranged on the upper part of the food tray; one side of the middle of the shell is inwards recessed to form a cavity for containing articles; a rechargeable lithium battery pack is used for supplying power to the system; and the intelligent restaurant service robot further comprises a real-time positioning and automatic navigation module, an automatic obstacle avoidance function module, an automatic charging module, a voice recognition and dialogue module and a WIFI communication module.

Disclosed is an LED lighting engine adopting an icicle type diffusion unit. The LED lighting source having a surface light source characteristic and an icicle type diffusion unit corresponding to the surface light source are integrally formed through coupling therebetween to provide a shield type structure having waterproof and dustproof functions. Also, the LED lighting engine may improve lighting efficiency and reduce manufacturing costs when compared to an existing lighting device, and may also be applied in various ways. Also, the LED lighting engine may satisfy quality and pricing standards for LED lighting which are the main variables visible to the eyes of a user. In addition, the LED lighting engine may be simply replaced with conventional LED lighting in a one-on-one ratio (size) which greatly influences market competitiveness. Also, the LED lighting engine may be simply and freely adjusted in terms of light uniformity and light diffusion angle.

An edge emitting laser with circular beam using a low-carrier-mobility diluted nitride semiconductor material for an epitaxy light-emitting layer is disclosed. The low-carrier-mobility material can greatly suppress surface recombination of carriers. The epitaxy structure established on the substrate surface includes, from bottom to top, a bottom cladding layer, a bottom waveguide layer, a light-emitting layer, an upper waveguide layer, an upper cladding layer, and an electrode contact layer. The light-emitting layer is formed from a diluted nitride material. Etching is performed from the epitaxy structure through the light-emitting layer, forming a ridge waveguide that has a large reflective index difference between the light-emitting layer and the dielectric passivation layer.

A vehicle headlight can project a low beam and a high beam in a reasonable and efficient fashion and does not require a maximum output during high beam illumination, which is low in frequency of use. A light source can be arranged so that a main optical axis thereof forms an angle of approximately 30° to 60° with respect to a front-to-back direction of a vehicle / vehicle headlight. An extremity of the light source can extend toward the front and side of the vehicle. Part of a first reflector can be arranged closer to the front and a center of the vehicle than the light source. A second reflector can be configured to collect light from the first reflector and reflect the same light to the front of the vehicle. The second reflector can be located behind and closer to the side of the vehicle than the light source is. A distribution pattern switching unit can be located between the first reflector and the second reflector. The first reflector and the second reflector can be configured to provide a maximum output during low beam illumination. Part of the light from the first reflector that is to be projected to the lower half of the low beam distribution pattern during low beam illumination can be reflected by a reflecting plate of the distribution pattern switching unit and projected towards a location above a horizontal level during high beam illumination.

The invention discloses a flexible straight-down backlight device. The device comprises an optical diaphragm group and a mini-LED lamp panel which are arranged from top to bottom. The mini-LED lamp panel comprises a flexible polyimide film, a mini-LED chip and a fluorescent layer for packaging the mini-LED chip. The lower surface of the optical film group is provided with a first reflection structure, and the first reflection structure is corresponding to the mini-LED chip. The mini-LED lamp panel further comprises a second reflection structure, and the second reflection structure and the first reflection structure are arranged in a staggered mode so visible light can be evenly emitted to the light emitting side of the flexible straight-down backlight device after being reflected by the first reflection structure and the second reflection structure multiple times. According to the invention, flexible backlight can be realized, uniform light emission of the flexible surface light sourceis improved, and the utilization efficiency of light is improved.

The invention discloses a refraction and reflection light emitting device. The divergence angle of an LED (light emitting diode) light beam is increased by a refraction and reflection optical lens with the special design, and therefore the radiation area of a single LED light source is enlarged. Furthermore, a reflector plate with the high reflectivity is cooperated with the refraction and reflection optical lens to finish big-angle optical diffusion, and the light energy use ratio is improved. Compared with the traditional bottom lighting type LED backlight module, the bottom lighting type LED backlight module applying the refraction and reflection light emitting device disclosed by the invention has the following advantages: (1) the number of the required LEDs can be reduced so as to increase a Pitch value, lower a duty ratio and lower the cost; (2) because few LEDs are used, the light color consistency of the LED can be better controlled, and the picture quality of the backlight product is improved; (3) the light energy use ratio and the backlight module luminance are improved; (4) the space occupied by the single LED is increased, thereby being favorable for heat loss, lowering the temperature of the backlight module, and prolonging the service life of the LED and the backlight module.

A vehicle light can include a light source, a reflector configured to reflect light emitted from the light source in an irradiation direction of a vehicle on which the vehicle light is mounted, and a diffusion plate for diffusion of light and which can irradiate light in the irradiation direction. In this configuration, the diffusion plate can be configured such that light emitted from the light source and light reflected by the reflector enter the diffusion plate and pass therethrough while being refracted. The light is emitted from the diffusion plate in the irradiation direction while being diffused. At the same time, light which is incident on the diffusion plate and is reflected by the diffusion plate is diffused and irradiated in the irradiation direction of the vehicle light. The end portion of the diffusion plate can be bent or curved so as to diffuse the light reflected by the diffusion plate.

The invention discloses a sound effect device and a sound effect reproduction method and a sound effect listening method thereof. When the two sound effect devices have a proper distance, an optimal sound listening position and a source sound field can be formed, so that an immersive sound listening feeling can be obtained when a user is located at the optimal sound listening position. A user lacking an acoustic basis can also enable the two sound effect devices to form the optimal listening position and the source sound field in a mode of placing the two sound effect devices.

The invention discloses a flashlight and desk lamp combination based on LED light distribution, which comprises a lamp tube, a light distribution tube, a flashlight lamp holder, a battery, a fixing plate, an LED light source, a collimating lens, a light distribution reflector, frosted glass, a control switch and a fixing frame. The tail of the light distribution tube is fixedly connected with the top of the lamp tube, the flashlight lamp holder is fixedly connected with the head of the light distribution tube, the fixing plate is arranged in the lamp tube, the battery is positioned between the bottom of the lamp tube and the fixing plate, the LED light source is arranged on the fixing plate, the collimating lens is positioned in front of the LED light source, the light distribution reflector is arranged at the inner upper end of the light distribution tube, the frosted glass is arranged at the lower end of the light distribution tube, the control switch is arranged on the outer wall of the lamp tube and is close to the head of the lamp tube, and the lamp tube is fixed onto the fixing frame and can be detached. The property of a light path is changed by the aid of the light distribution reflector, a flashlight and a desk lamp are integrated in design, and the flashlight and desk lamp combination has the advantages that the flashlight and desk lamp combination is fine in lighting effect, can be used as the flashlight and the desk lamp, is convenient and easy to carry, and has a better light shape as compared with other like products by the aid of the structure which can be taken, used and charged at any time.

The present invention relates to a lighting module and manufacturing Method for the Same, and more particularly, to a lighting module with a flat wavelength converting structure for reducing mura. The lighting module provided by the present invention includes a frame, one or more light sources disposed on the frame, and a flat wavelength converting structure shared by the light sources for emitting light with aimed wavelength; the present invention provides a lighting module emitting light with mura that insensible to eye or with lower mura at elevated diffusion angle compared to that provided by the traditional one; therefore, the present invention also provides a lighting module occupying smaller volume; or a lighting module with fewer light sources and sharing the similar thickness of the traditional one, which emits light with similar or lower mura compared to the traditional one.

The invention relates to a lens which comprises a bottom surface, a light incidence surface, a light emergence surface and a side surface, wherein the light incidence surface is a curved surface which is concave from the center of the bottom surface to the interior of the lens; the light emergence surface is opposite to the bottom surface, and comprises a concave surface located in the center of the top, and a convex surface located at the periphery of the concave surface; the concave surface is concave towards the light incidence surface; the convex surface is convex far away from the light incidence surface; the side surface is a fully reflecting surface, and comprises a first side surface and a second side surface which extend from two opposite sides of the bottom surface to the light outlet surface, and a third side surface and a fourth side surface which extend from the other two opposite sides of the bottom surface to the light emergence surface; the first side surface and the second side surface are inclined surfaces, and are gradually inclined outwards from the bottom surface to the light emergence surface; and the third side surface and the fourth side surface are perpendicular to the bottom surface. The invention further relates to a light source module comprising the lens and a light source.

A head lamp for a vehicle may include: a light source unit configured to emit light; an optic unit configured to control the light, emitted from the light source unit, to be emitted to form a plurality of optical focuses; a shield unit disposed to form a cutoff line on the plurality of optical focuses; a first lens array unit disposed on an emission side of the shield unit and having a plurality of first lenses arranged therein; and a second lens array unit disposed on an emission side of the first lens array unit and having a plurality of second lenses arranged therein.

The present invention discloses an LED package structure which has a housing, an LED chip and a transparent encapsulant. The housing has a recess and a plurality of protrusions. The LED chip is mounted in the recess of the housing, and covered in the recess by the transparent encapsulant. The protrusions are formed in the recess or on the edge of the housing. The protrusions of the present invention can form the uneven shape of the surface of the transparent encapsulant, so as to increase the diffusion angle of the light and enhance the light extraction efficiency.

To provide an inexpensive indicator member which can prevent a dark area from being formed at a location above a reflection part, an indicator unit having the indicator member and an indicator instrument having the indicator unit. A hollow reflection part provided to an indicator part of an indicator main body of a light-emitting indicator includes a plurality of partial reflection parts having at least an pointing direction reflection face, a rear end direction reflection face and a corner formed at an intersection of the pointing direction reflection face and the rear end direction reflection face and arranged at a location opposed to the base part. The corners of the respective partial reflection parts adjacent to each other are displaced in a pointing direction or in a rear end direction.

The invention relates to a lens, and the lens is used for regulating light rays emitted by a luminescent diode. The lens comprises an in-light surface, an out-light surface and a bottom surface, wherein the in-light surface is sunken to the inner part of the lens from the bottom surface; the out-light surface is positioned above the in-light surface and comprises a concave surface and convex surfaces positioned on both sides of the concave surface; the out-light surface is changed in an undulate manner in a first direction, and is unchanged in a second direction which is perpendicular to the first direction; after being regulated by the lens, light types generated by the luminescent diode are lengthened in the first direction. The invention also provides a light source module using the lens.

The invention discloses a PC (Polycarbonate) material with an excellent transparent light diffusion function and a preparation method thereof. The PC material is composed of polycarbonate, flame retardant masterbatch, an auxiliary flame retardant, a compound light diffuser, an antioxidant, a flame retardant synergist, a lubricant and other auxiliaries. The principle ingredient of the PC material is PC resin; the PC material is extruded by two steps, wherein the first step is to blend a sulfonate type major flame retardant and an organic silicon flame retardant with the PC resin by melting and granulate the mixture through extrusion by virtue of a twin-screw extruder so as to obtain the light diffusible flame retardant masterbatch, and the second step is to add the compound light diffuser, the flame retardant masterbatch, the antioxidant, the flame retardant synergist, the lubricant and other auxiliaries for further melting blending by taking PC as the major ingredient, and then extrude and granulate the mixture. The flame-retardant light diffusible PC material provided by the invention can be widely applied to an LED (Light-Emitting Diode) lamp, the backlight of a liquid crystal display, a transmission type screen, a decorative lighting billboard, an advertisement lamp box and the like in the lighting field.

To provide an inexpensive indicator member which can prevent a dark area from being formed at a location above a reflection part, an indicator unit having the indicator member and an indicator instrument having the indicator unit. A hollow reflection part provided to an indicator part of an indicator main body of a light-emitting indicator includes a plurality of partial reflection parts having at least an pointing direction reflection face, a rear end direction reflection face and a corner formed at an intersection of the pointing direction reflection face and the rear end direction reflection face and arranged at a location opposed to the base part. The corners of the respective partial reflection parts adjacent to each other are displaced in a pointing direction or in a rear end direction.

The invention belongs to the technical field of fire-extinguishing devices and discloses a large-spreading-angle foam fire-extinguishing sprayer. The fire-extinguishing sprayer comprises a barrel-shaped sprayer main body; a wedged nozzle is arranged at the outlet of the sprayer main body; wedged flow guide blocks are symmetrically arranged on the inner upper side face and inner lower side face of the outlet of the wedged nozzle; the cross sections of the wedged flow guide blocks are isosceles-triangle-shaped; the central lines of the wedged flow guide blocks are overlapped with the central line of the wedged nozzle; and flow stabilization plates are symmetrically arranged on the upper side face and lower side face of the outlet end of the wedged nozzle. The sprayer can be used for accurately processing foaming and isolating large fire of an oil pool, and has a large spreading angle.