-
公开(公告)号：US20150379942A1
公开(公告)日：2015-12-31
申请号：US14480883
申请日：2014-09-09
Inventor： Rui Guo , Zongze He , Lei Liu , Weihao Hu , Yoon Dae Keun
IPC: G09G3/34
CPC classification number: G09G3/3426 , G09G3/3611 , G09G2320/0233 , G09G2320/0257 , G09G2320/0646
Abstract: The present invention discloses a local backlight brightness adjustment method for a direct backlight in a display device, the method comprising the steps of: step 1: performing edge detection on an input image to determine whether a sensitive zone exists, the sensitive zone being a portion in the input image in which a gray level difference between adjacent pixels is greater than a predetermined threshold; and Step 2: if a sensitive zone exists, performing a backlight brightness adjustment with respect to a backlight region corresponding to the sensitive zone and a remaining backlight region other than the backlight region corresponding to the sensitive zone, respectively. According to the above-mentioned technical solution, since the backlight brightness adjustment are performed with respect to the backlight region corresponding to the sensitive zone and the remaining backlight region other than the backlight region corresponding to the sensitive zone, respectively, thus, when there is gray level abruptly-varying portion in the image, the display performance of the displayer can still be ensured.
Abstract translation: 本发明公开了一种用于显示装置中的直接背光的本地背光亮度调节方法，所述方法包括步骤1：对输入图像执行边缘检测以确定是否存在敏感区域，敏感区域是部分 在相邻像素之间的灰度级差大于预定阈值的输入图像中; 步骤2：如果存在敏感区域，则相对于对应于敏感区域的背光区域和与敏感区域对应的背光区域以外的剩余背光区域分别执行背光亮度调节。 根据上述技术方案，由于相对于对应于敏感区域的背光区域和与敏感区域对应的背光区域以外的剩余背光区域分别执行背光亮度调节，所以当存在 图像中的灰度级突然变化部分，仍然可以确保显示器的显示性能。
-
公开(公告)号：US20150279332A1
公开(公告)日：2015-10-01
申请号：US14316198
申请日：2014-06-26
Inventor： Weihao Hu , Yoon Dae Keun , Yanping Liao , Yufan Du , Zongze He , Yangbing Yu
CPC classification number: G09G3/003 , G09G2310/0221 , G09G2310/024 , G09G2320/0209 , H04N13/341 , H04N13/398
Abstract: The disclosure provides a display panel, a method for driving the display panel and a 3D display device including the display panel, and relates to the technical field of display. The display panel comprises a display unit and at least one timing control units, wherein the display unit comprises a plurality of display regions and the plurality of display regions are simultaneously scanned. With the present invention, wire impedance in the display panel is reduced, charging time for a single row of pixels can be reduced and charging rate of the pixels can be improved.
Abstract translation: 本发明提供了显示面板，用于驱动显示面板的方法和包括显示面板的3D显示设备，并且涉及显示技术领域。 显示面板包括显示单元和至少一个定时控制单元，其中显示单元包括多个显示区域，并且多个显示区域被同时扫描。 利用本发明，显示面板中的线阻抗减小，可以降低单行像素的充电时间，并且可以提高像素的充电速率。
-
公开(公告)号：US20150264770A1
公开(公告)日：2015-09-17
申请号：US14370187
申请日：2013-03-29
Inventor： Bin Zhang , Liang Zhang , Weihao Hu
IPC: H05B33/08
CPC classification number: H05B33/0851 , G09G3/34 , G09G2330/02 , H02M3/156 , H02M3/1563 , H05B33/0815 , H05B33/089
Abstract: A boosting circuit, a backlight driving circuit and a backlight module are provided. The boosting circuit comprises a boosting chip (U1), an energy-storage inductor (L1), a freewheeling diode (D1), a first capacitor (C1), and a current mirror unit (U2), wherein an input terminal of an inputting branch of the current mirror unit (U2) IS connected with the cathode of the freewheeling diode (D1), and an output terminal of the inputting branch is connected with the signal input terminal (Vin) of the boosting circuit through a first resistor (R1), an input terminal of an outputting branch of the current mirror unit (U2) IS connected with the cathode of the freewheeling diode (D1), an output terminal of the outputting branch is grounded through a second resistor (R2), an ungrounded terminal of the second resistor (R2) is connected with a signal feedback pin of the boosting chip. The boosting circuit realizes the tracking of changes of the input voltage by the output voltage under the precondition that parameters of respective elements are unchanged, and achieves the effect that a voltage difference between the output voltage and the input voltage is fixed.
Abstract translation: 提供升压电路，背光驱动电路和背光模块。 升压电路包括升压芯片（U1），储能电感器（L1），续流二极管（D1），第一电容器（C1）和电流镜单元（U2），其中输入端 电流镜单元（U2）的分支IS与续流二极管（D1）的阴极连接，输入支路的输出端通过第一电阻器（R1）与升压电路的信号输入端（Vin）连接 ），与续流二极管（D1）的阴极连接的电流镜单元（U2）的输出支路的输入端子，输出支路的输出端子通过第二电阻器（R2）接地，未接地端子 的第二电阻器（R2）与升压芯片的信号反馈引脚连接。 升压电路在各元件的参数不变的前提下，通过输出电压实现对输入电压变化的跟踪，并实现输出电压与输入电压之间的电压差固定的效果。
-
公开(公告)号：US20140160111A1
公开(公告)日：2014-06-12
申请号：US14066761
申请日：2013-10-30
Inventor： Liang Zhang , Xibin Shao , Dan Wang , Weihao Hu , Yizhen Xu , Shuai Hou
IPC: H04N13/04
CPC classification number: H04N13/398 , G09G3/003 , G09G3/3677 , G09G2310/0224 , G09G2310/0281 , G09G2320/0209
Abstract: According to embodiments of the present invention, the gate lines of the array substrate receive the gate scanning signal in a preset time period. Specifically, the gate lines of pixel units in odd rows are receiving the gate scanning signal in the first time interval of the preset time period, and the gate lines of pixel units in even rows are receiving the gate scanning signal in the second time interval of the preset time period.
Abstract translation: 根据本发明的实施例，阵列基板的栅极线在预定时间段内接收栅极扫描信号。 具体地说，奇数行中的像素单位的栅极线在预设时间段的第一时间间隔内接收栅极扫描信号，偶数行中的像素单元的栅极线在第二时间间隔中接收栅极扫描信号 预设时间段。
-
公开(公告)号：US11249597B2
公开(公告)日：2022-02-15
申请号：US16304761
申请日：2018-04-08
Inventor： Chunbing Zhang , Rui Guo , Weihao Hu
IPC: G06F3/042 , G06F3/041 , G06F3/0488
Abstract: A pixel circuit, a handwriting display panel and a handwriting display system are provided. The pixel circuit includes: a write-in control circuit, a light-emitting circuit, a display control circuit and an erasing control circuit. The write-in control circuit includes a photosensitive switch, and the photosensitive switch is capable of being turned on under illumination of first light; the light-emitting circuit includes a first light-emitting component, which is configured to emit the first light to illuminate the photosensitive switch where the photosensitive switch is turned on; the display control circuit includes a display unit, which is configured to perform display operation where the photosensitive switch is turned on; and the erasing control circuit includes an induction switch, and the induction switch is controllable to be turned on.
-
Patent Agency Ranking
公开(公告)号：US10551710B2
公开(公告)日：2020-02-04
申请号：US15769505
申请日：2017-09-28
IPC: G02F1/139 , G02F1/1335 , G02F1/1347
Abstract: There is disclosed a transparent display device including: a transparent display panel, a first optical structure fixed on a light incidence side of the transparent display panel, and a plurality of light sources arranged on a side of the first optical structure, wherein there is a scattering lens structure arranged on a side of the first optical structure facing away from the transparent display panel and a refractive index of a medium between the first optical structure and the transparent display panel is less than a refractive index of the first optical structure.
-
公开(公告)号：US10447964B2
公开(公告)日：2019-10-15
申请号：US14429120
申请日：2014-06-23
Inventor： Luqiang Guo , Zongze He , Weihao Hu
Abstract: An interface conversion circuit, a display panel driving method and a display apparatus for realizing UHD image display at least by a LVDS interface together with an UHD display apparatus are provided. The interface conversion circuit comprises a low voltage differential signaling (LVDS) interface and a data format conversion module. The LVDS interface is configured to receive a LVDS signal from a LVDS signal source and transmit the LVDS signal to the data format conversion module. The data format conversion module is configured to convert the received LVDS signal into a digital video interface eDP signal.
-
公开(公告)号：US10249264B2
公开(公告)日：2019-04-02
申请号：US15501851
申请日：2016-06-07
Inventor： Weihao Hu , Luqiang Guo , Wengang Su
Abstract: The present application discloses a method for compensating mura defects in a display image, the method includes obtaining a plurality of display data and a plurality of address data corresponding to a plurality of display pixels; and determining if a pixel is a sampling pixel based on a data table comprising a plurality of compensation data associated with a plurality of compensation points for compensating a plurality of sampling pixels, each compensation point corresponding to a group of at least one sampling pixel, the plurality of sampling pixels comprising a plurality of display pixels having mura defects and constituting a portion of the plurality of display pixels.
-
公开(公告)号：US10217421B2
公开(公告)日：2019-02-26
申请号：US15248049
申请日：2016-08-26
Inventor： Zhiming Meng , Weihao Hu , Rui Guo , Luqiang Guo , Chao Zhang , Jinhui Cheng , Zhimin Ma
IPC: G09G3/34
Abstract: A display panel, a display device and a display control method are disclosed. The display panel comprises a backlight module and a display substrate, wherein the backlight module comprises a plurality of backlight sources having different colors, the display substrate comprises a plurality of pixels, and each of the pixels comprises a plurality of sub-pixels having different colors; sub-pixels of at least one color and backlight sources having the same color are configured to be turned-on during a same time period.
-
公开(公告)号：US20180315355A1
公开(公告)日：2018-11-01
申请号：US15770906
申请日：2017-08-02
Inventor： Weihao Hu , Xue Dong , Liang Zhang
IPC: G09F9/302 , G09F9/33 , G09G3/3208
CPC classification number: G09F9/3023 , G09F9/3026 , G09F9/33 , G09G3/32 , G09G3/3208 , G09G3/34 , G09G2300/023 , G09G2300/026 , G09G2310/0232
Abstract: A splicing screen, a method and a device for driving the splicing screen and a display apparatus are provided. The splicing screen includes at least one main display region configured to display a first portion of a display image, and a frame display region at edges of the main display region and configured to display a second portion of the display image other than the first portion. The method includes calculating a division manner for a display image; and displaying different portions of the image correspondingly on the main display region and the frame display region according to the division manner. The device for driving the splicing screen includes an image capture module and an image division display module.
-
-
-
-
-
-
-
-
-
Search Results
49
records
(took 0.018 seconds)
