| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 241 | DISPLAY DEVICE AND ELECTRONIC APPARATUS | US15463403 | 2017-03-20 | US20170193941A1 | 2017-07-06 | Tadayoshi KATSUTA; Hiroshi MIZUHASHI |
| According to an aspect, a display device includes: a plurality of pixels aligned in row and column directions, each of the pixels including a drive element; a plurality of scan lines each coupled with the drive elements included in the pixels aligned in the row direction to transmit thereto a scan signal for selecting the pixels row by row; a plurality of signal lines each coupled with the drive elements included in the pixels aligned in the column direction to write display data; and a display control unit. The display control unit alternately repeats a display period and a stop period. In a latter term of the stop period, display control unit provides the display data written in the respective pixels in a row that has been selected during the display period immediately before the stop period, to the signal lines corresponding to the respective pixels. | ||||||
| 242 | Liquid crystal display device | US14786202 | 2014-02-25 | US09685129B2 | 2017-06-20 | Takuya Sone; Noriyuki Tanaka |
| A scanning line drive unit sequentially selects a plurality of scanning lines, and utilizes a drive voltage generated by the booster circuit to control the operation of a thin-film transistor. A timing control unit controls the scanning line drive unit on the basis of a display signal, which includes a horizontal synchronization signal, a vertical synchronization signal and an image signal. A reference synchronization signal is input to the booster circuit during a period in which the scanning line drive unit selects none of the plurality of scanning lines. A booster circuit generates a non-selection voltage in synchronization with the reference synchronization signal in the abovementioned period. The scanning line drive unit outputs the non-selection voltage generated by the booster circuit to the plurality of scanning lines in the abovementioned period. | ||||||
| 243 | Driving Circuit and Shift Register Circuit | US14888427 | 2015-08-25 | US20170162141A1 | 2017-06-08 | Sikun HAO |
| The present invention proposes a driving circuit and a shift register. The driving circuit includes shift register circuits disposed in cascade. Each of shift register circuits includes a clock control transmittance circuit and a latch circuit. The clock control transmittance circuit is triggered by a first clock pulse. A driving pulse of a Q node at previous two stages is transmitted to the latch circuit and latched by the latch circuit. Further, the latch circuit is triggered by a second clock pulse, and then a gate driving pulse and a driving pulse of the Q node is output. So the present invention can be used in the CMOS process owing to the features of low consumption and wide noise margin. | ||||||
| 244 | Display device in which frequency of vertical sync start signal is selectively changed and method of driving the same | US14457551 | 2014-08-12 | US09646555B2 | 2017-05-09 | Jun-Ho Hwang; Heebum Park; Kihyun Pyun |
| A display device includes: a display panel including gate lines, a data lines crossing the gate lines, and pixels connected to the data lines and the gate lines; a data driver configured to drive the data lines; a gate driver configured to drive the gate lines in synchronization with a vertical sync start signal; and a timing controller configured to control the data driver and the gate driver in response to an image signal and a control signal inputted thereto from an outside, where the timing controller outputs the vertical sync start signal to the gate driver, and changes a frequency of the vertical sync start signal when an image signal of a current frame is identical to an image signal shifted from an image signal of a previous frame in a first direction. | ||||||
| 245 | Display device, method of manufacturing the same, and electronic apparatus | US15361957 | 2016-11-28 | US09640599B2 | 2017-05-02 | Seiichiro Jinta |
| There is provided a display device including: a light emitting element; and a drive transistor (DRTr) that includes a coupling section (W1) and a plurality of channel sections (CH) coupled in series through the coupling section (W1), wherein the drive transistor (DRTr) is configured to supply a drive current to the light emitting element. | ||||||
| 246 | Display device and output buffer circuit for driving the same | US15094270 | 2016-04-08 | US09626914B2 | 2017-04-18 | Takao Tanikame |
| Disclosed herein is a display device including: a plurality of pixel circuits; a power source line connected to corresponding ones of the plurality of pixel circuits; and an output buffer circuit for supplying currents to corresponding ones of the plurality of pixel circuits by alternately applying a first potential applied to a first power source supply terminal, and a second potential applied to a second power source supply terminal to the power source line. The output buffer includes a variable resistance circuit connected to a path between the first power source supply terminal and the power source line, the variable resistance circuit serving to change a resistance value thereof in accordance with a magnitude of a total sum of the currents. | ||||||
| 247 | GATE DRIVE CIRCUIT AND DISPLAY DEVICE | US14778281 | 2015-04-03 | US20170103698A1 | 2017-04-13 | Juncheng Xiao; Mang Zhao |
| A gate drive circuit and a display device are provided. The present disclosure pertains to the technical field of display technology and solves the technical problem of wide frame of the existing display device. The shifting register is configured to output primary drive signal into a first follower and a second follower in consecutive first scanning period t1 and second scanning period t2. The first follower is configured to output gate drive signal to a first gate line in t1 under the driving of the primary drive signal; and the second follower is configured to output the gate drive signal to a second gate line in t2 under the driving of the primary drive signal. The present disclosure can be applied to display devices, such as liquid crystal display devices and OLED display devices, and the like. | ||||||
| 248 | DISPLAY DEVICE, METHOD OF MANUFACTURING THE SAME, AND ELECTRONIC APPARATUS | US15361957 | 2016-11-28 | US20170084679A1 | 2017-03-23 | Seiichiro Jinta |
| There is provided a display device including: a light emitting element; and a drive transistor (DRTr) that includes a coupling section (W1) and a plurality of channel sections (CH) coupled in series through the coupling section (W1), wherein the drive transistor (DRTr) is configured to supply a drive current to the light emitting element. | ||||||
| 249 | Method of driving a display panel and a display apparatus performing the method | US14166408 | 2014-01-28 | US09601069B2 | 2017-03-21 | Eui-Myeong Cho; Ki-Hyun Pyun; Eun-Kyung Kim; Hee-Jeong Seo; Jong-Young Yun |
| A method of driving a display panel is provided. The method includes displaying a first image on at least one odd-numbered horizontal line of the display panel along a first direction and a second direction during a first period of a frame period and displaying a second image on at least one even-numbered horizontal line of the display panel along the first direction and second direction during a second period of the frame period. | ||||||
| 250 | SCAN DRIVER | US15135425 | 2016-04-21 | US20170069282A1 | 2017-03-09 | Jun Hyun Park; Keum Nam Kim; Sung Hwan Kim; Kyoung Ju Shin |
| A scan driver includes a plurality of stages configured to supply scan signals to scan lines. An ith (i is a natural number) stage of the stages at one side of a panel includes: a first transistor connected between a first input terminal and a first node, and including a gate electrode connected to a second input terminal; a second transistor connected between a third input terminal and a first output terminal for outputting an ith scan signal of the scan signals, and including a gate electrode connected to the first node; a third transistor connected between the first output terminal and a first power input terminal configured to receive a first off voltage, and including a gate electrode connected to the second input terminal; and a first capacitor connected between the first node and the first output terminal. | ||||||
| 251 | Liquid crystal display device comprising two different pixel electrodes connected to different TFTS in a pixel | US13698421 | 2012-08-14 | US09575342B2 | 2017-02-21 | Jiaoming Lu |
| A liquid crystal display device is disclosed, which has improved transmittance, and which meanwhile can obtain a higher contrast and maintain a lower cost. The device comprises a color filter substrate, an array substrate, and a liquid crystal layer sealed between the color filter substrate and the array substrate. The array substrate comprises a first pixel electrode and a second pixel electrode, the first pixel electrode and the second pixel electrode being arranged at an interval, and applied with AC voltages of equal frequency but opposite phase, respectively. Also, a method for driving the liquid crystal display device is disclosed. | ||||||
| 252 | SHIFT REGISTER AND DISPLAY DEVICE | US15197786 | 2016-06-30 | US20170018244A1 | 2017-01-19 | Tean-Sen JEN; Sung-Chun LIN; Hsuan-Chen LIU; Chien-Ting CHAN |
| A shift register and a display device are provided. The shift register includes a pre-charge unit, a pull-up unit, a first pull-down unit and a second pull-down unit. The pre-charge unit receives first and second input signals, and outputs a pre-charge signal via a first node. The pull-up unit receives a pre-charge signal and a clock signal, and outputs a scanning signal via a second node. The first pull-down signal receives the pre-charge signal, first and second pull-down control signals, and controls whether to pull-down the scanning signal to a reference voltage level. The second pull-down signal receives the pre-charge signal and first and second pull-down control signals, and controls whether to keep the scanning signal at the reference voltage level. The period of the first second pull-down control signal and the period of the second pull-down control signal are in a range from 12 frames to 180 frames. | ||||||
| 253 | Display apparatus and method of driving backlight thereof | US14326726 | 2014-07-09 | US09549439B2 | 2017-01-17 | Kyu-heon Lee; Sung-hwan Jang |
| A method of driving backlight of a display apparatus and the display apparatus are provided. The method includes: generating a control pulse configured to drive a backlight unit, the control pulse including: a first high pulse section configured to turn on the backlight unit; and an afterimage removal section configured to remove a frame afterimage; and inputting the control pulse into the backlight unit to alternately turn on and off the backlight unit, wherein the afterimage removal section comprises at least one second high pulse section having smaller duty than duty of the first high pulse section. | ||||||
| 254 | Emission control driver and organic light emitting display device having the same | US13781861 | 2013-03-01 | US09548026B2 | 2017-01-17 | Hwan Soo Jang |
| An emission control driver includes stages sequentially outputting emission control signals through emission control lines. Each stage includes a first signal processor receiving a first voltage and generating first and second signals in response to first and second sub-control signals, a second signal processor receiving a second voltage having a level higher than a level of the first voltage and generating third and fourth signals in response to the third sub-control signal, the first signal, and the second signal, and a third signal processor receiving the first and second voltages and generating the emission control signal in response to the third and fourth signals. The first signal processor of each stage receives the emission control signal output from a previous stage as the first sub-control signal, and the first signal processor of a first stage among the stages receives a start signal as the first sub-control signal. | ||||||
| 255 | Charged-based compensation and parameter extraction in AMOLED displays | US14447323 | 2014-07-30 | US09530349B2 | 2016-12-27 | Gholamreza Chaji |
| A system reads a desired circuit parameter from a pixel circuit that includes a light emitting device, a drive device to provide a programmable drive current to the light emitting device, a programming input, and a storage device to store a programming signal. One embodiment of the extraction system turns off the drive device and supplies a predetermined voltage from an external source to the light emitting device, discharges the light emitting device until the light emitting device turns off, and then reads the voltage on the light emitting device while that device is turned off. The voltages on the light emitting devices in a plurality of pixel circuits may be read via the same external line, at different times. In-pixel, charge-based compensation schemes are also discussed, which can be used with the external parameter extraction implementations. | ||||||
| 256 | PIXEL CIRCUIT, ORGANIC ELECTROLUMINESCE DISPLAY PANEL AND DISPLAY DEVICE | US15167863 | 2016-05-27 | US20160275866A1 | 2016-09-22 | Gang Liu; Chen Liu; Dan Chen; Dong Qian |
| A pixel circuit, an organic electroluminescent display panel and a display device are provided. The pixel circuit includes a light emitting element, a first capacitor, a reset control module, a drive control module, a compensation control module, and a light emission control module. In a reset phase, the reset control module writes a reset signal at a reset signal end into a second end of the first capacitor. In a compensation phase, the reset control module writes a data signal at a data signal end into a first end of the first capacitor, and the drive control module charges the first capacitor through the compensation control module. In a light emission phase, both the light emission control module and the first capacitor enable the drive control module to drive the light emitting element with a stable current for emission of light. | ||||||
| 257 | GATE DRIVING CIRCUIT, ARRAY SUBSTRATE, AND DISPLAY DEVICE | US14418598 | 2015-01-21 | US20160247455A1 | 2016-08-25 | Shangcao Cao; Chao Dai; Chang Yeh Lee |
| A gate driving circuit, an array substrate, and a display device are disclosed. The present disclosure relates to the technical field of display, and the technical problem of poor quality of the waveform of the gate driving signal that is output by the traditional circuit manufactured through GOA technology can be solved. The gate driving circuit is used for outputting the gate driving signal to Gn and comprises a pull-up circuit, a download transistor, and a pull-down circuit. The pull-up circuit is used for outputting a high-level signal to a reference point of said gate driving circuit, a first input end of said pull-up circuit is connected with Gn−1, a second input end thereof is connected with Gn−2, and an output end thereof is connected with said reference point. | ||||||
| 258 | Tactile array sensor | US14034349 | 2013-09-23 | US09415517B2 | 2016-08-16 | Prakash C R J Naidu; Srinivasan A Mandayam; Kshirsagar C J Naidu |
| A capacitance based tactile array sensor is disclosed that provides for close resolution of sensing pixels by using insulated conductors as electrodes, and allows for eliminating the need for a joint or connection interface near periphery of the sensor array. Optional aspects of the invention include provision for allowing use of stretchable conductors, reduction of the burden of number of connections at one layer of conductors in the sensor, providing for differential sensing resolutions at different areas of sensing, and modularity in configuration allowing replacement of a defective sensor pixel in the array. The tactile array sensor may be integrated with surface of a robotic hand's finger, palm, or any other surface of a device that requires multi-point sensing of external contacts. The capacitance information is processed for useful display or control of systems based on the contact feedback. | ||||||
| 259 | DISPLAY DEVICE THAT SWITCHES LIGHT EMISSION STATES MULTIPLE TIMES DURING ONE FIELD PERIOD | US15093380 | 2016-04-07 | US20160217742A1 | 2016-07-28 | Takao Tanikame; Seiichiro Jinta |
| A scan driving circuit includes a shift register unit and a logic circuit unit. The start of a start pulse of an output signal STp+1 of a p+1'th shift register is situated between the start and end of a start pulse of the output signal STp of a p'th shift register, and one each of a first enable signal through a Q'th enable signal exist in sequence between the start of the start pulse of the output signal STp and the start of the start pulse of the output signal STp+1. The operations of a (p′, q)'th NAND circuit are restricted based on period identifying signals, such that the NAND circuit generates scanning signals based only on a portion of the output signal STp corresponding to the first start pulse, the signal obtained by inverting the output signal STp+1, and the q'th enable signal ENq. | ||||||
| 260 | Display device and driving method thereof | US14332889 | 2014-07-16 | US09396694B2 | 2016-07-19 | Ik Hyun Ahn; Yoon Gu Kim; Bong Im Park; Ho Seok Son |
| A display device and a driving method thereof is disclosed. In one aspect, the display device includes: a display panel including a plurality of pixels, a plurality of gate lines arranged in a column direction, and a plurality of data lines intersecting the plurality of gate lines; a data driver transferring data voltages to the plurality of data lines; a gate driver transferring gate signals to the plurality of gate lines; and a signal controller controlling the data driver and the gate driver. The signal controller includes: a vertical boundary detector determining whether a first pixel among the plurality of pixels is positioned in the vicinity of a boundary region of an image pattern based on an input image signal for the first pixel; and a first adjuster adjusting an image signal of the first pixel based on an image signal of a second pixel positioned in a row previous to the first pixel and the image signal of the first pixel to output an adjusted image signal, in the case in which it is determined by the vertical boundary detector that the first pixel is positioned in the vicinity of the boundary region of the image pattern. | ||||||
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