41results about How to "Uniform picture quality" patented technology

An organic light emitting display capable of minimizing the voltage drop of pixel power sources supplied to an organic light emitting display panel, contemplates an organic light emitting display panel including a pixel unit on which an image is displayed, and a plurality of first and second power source pads provided at two or more edges outside the pixel unit in order to receive first and second pixel power sources in at least two different directions, a plurality of tape carrier packages (TCP) electrically coupled to the organic light emitting display panel and including driving ICs for driving the organic light emitting display panel and power source lines for transmitting the first and second pixel power sources to the first and second power source pads, and driving boards electrically coupled to the TCPs in order to supply control signals for controlling the driving ICs and the first and second pixel power sources to the TCPs.

A display apparatus includes: a pixel array section and dependence cancellation means. The pixel array section wherein a plurality of pixel circuits each including an electro-optical element, a driving transistor configured to drive said electro-optical element, a sampling transistor configured to sample and write an input signal voltage and a capacitor configured to hold a gate-source voltage of said driving transistor within a display period are disposed in a matrix. The dependence cancellation means for negatively feeding back, within a correction period before said electro-optical element emits light in a state wherein the input signal voltage is written by said sampling transistor, drain-source current of said driving transistor to the gate input side of said driving transistor to cancel the dependence of the drain-source current of said driving transistor on the mobility.

In a light emitting display and a fabrication method thereof, a stripe pattern displayed due to characteristic differences of a driving transistor is prevented, thereby enhancing picture quality. The light emitting display comprises: a plurality of light emitting devices formed adjacent to a region where data and scan lines cross each other; and a plurality of pixel circuits, each including a driving transistor for supplying current corresponding to a data signal to a respective one of the light emitting devices. The positions of the driving transistors are different from each other with respect to at least one of horizontal and vertical directions. With this configuration, a stripe pattern is prevented from appearing perpendicular to a scanning direction of a line beam emitted from an excimer laser during the fabrication method.

The present invention provides a semiconductor memory device including: a memory cell array in which memory cells are arranged; a plurality of terminals for accepting commands issued by an external user; a command interface circuit for interfacing between the external user and the memory cell array; a write state machine for controlling the programming and erasing operations; and an output circuit for outputting an internal signal to the plurality of terminals, wherein the memory cell includes a gate electrode formed over a semiconductor layer via a gate insulating film, a channel region disposed below the gate electrode, diffusion regions disposed on both sides of the channel region and having a conductive type opposite to that of the channel region, and memory functional elements formed on both sides of the gate electrode and having the function of retaining charges.

A semiconductor memory device includes a control logic circuit for generating read selection signals each selecting one plane for reading and write selection signals each selecting one plane for writing from a plurality of planes in which memory cells are arranged in an array, an address selection circuit disposed for each of the planes, and an address buffer circuit for simultaneously providing a write address and a read address. Each of the address selection circuits is configured so as to be able to receive one of the read selection signals and one of the write selection signals from the control logic circuit. The memory cell includes a gate electrode formed over a semiconductor layer via a gate insulating film, a channel region disposed below the gate electrode, diffusion regions disposed on both sides of the channel region and having a conductive type opposite to that of the channel region, and memory functional units formed on both sides of the gate electrode and having the function of retaining charges.

The invention provides an image processing method and device and an unmanned aerial vehicle. The method comprises the steps that a quantization parameter characteristic value corresponding to each image block in a plurality of image blocks in an encoded historical image is acquired, each image block comprises a plurality of macro blocks, and the quantization parameter characteristic value of eachimage block is determined according to quantization parameters of one or more macro blocks in the image blocks; and when the coding quality of the plurality of image blocks determined according to thequantization parameter characteristic values corresponding to the plurality of image blocks meets a preset descending condition, a first minimum quantization parameter of the current to-be-coded image is determined, the quantization parameter of each macro block in the current to-be-coded image during coding being greater than or equal to the first minimum quantization parameter. Therefore, the image quality of the coded image of the image is uniform.

The invention discloses an interactive portable satellite communication control method aiming at defects of the prior art. The interactive portable satellite communication control method supports various communication modes and synchronously supports the latest WINCE operating system and the Android operating system. The satellite communication control method is implemented through the following 14 parts: a CPU (Central Processing Unit) (1), a DDR (2), an extensible large capacity NANDFLASH (3), a NANDFLASH (4), a GPS (Global Position System) module (5), a double 10/100 M self-adaptive Ethernet module (6), a customizable audio coder-decode (7), TTL converting RS232 serial interface module (8), a display module (9), a keyboard module (10), a power management module (11), a USB-HOST (12), a SD-Socket (13) and a USB-OTG (14), wherein the CPU (1) controls other 13 parts through respective IO interfaces and interactively connected with the 13 parts. The interactive portable satellite communication control method provided by the invention is designed at the aim of special environment, various communication modes are supported through external connection and utilization of hand-held terminal equipment synchronously, and the interactive portable satellite communication control method is suitable for various application scenes and severe environment.

The invention relates to an imaging lens which comprises a first lens group (G1) with positive focal power, a diaphragm, a second lens group (G2) with positive focal power and a third lens group (G3)with positive focal power or negative focal power which are sequentially arranged from an object side to an image side, and the third lens group (G3) is a fixed group. The first lens group (G1) and the second lens group (G2) form a focusing group capable of moving along an optical axis. The imaging lens is arranged according to the limitations, and can realize the characteristics of large aperture, high resolution, low distortion, uniform image quality, large depth of field, good color rendition degree and high contrast ratio.

The invention discloses an automatically adjusted infrared camera. The automatically adjusted infrared camera comprises an infrared optical camera, a visible light camera, an RJ45 interface, an infrared lamp and a processor, wherein the processor is integrated with a video coder and decoder circuit, a pulse-width modulation circuit and a video analysis algorithm circuit; the digital signal output end of the infrared optical camera is connected with the digital signal input end of the video analysis algorithm circuit; the video analysis algorithm circuit is connected with the pulse-width modulation circuit; the output end of the pulse-width modulation circuit is connected with the infrared lamp; the video signal output end of the visible light camera is connected with the video signal input end of the video coder and decoder circuit; and the communication signal end of the processor is connected with the RJ45 interface. By using the automatically adjusted infrared camera, data acquisition can be provided for forest fire prevention monitoring around the clock in all regions for 7*24 hours in a high-quality and multi-application mode.