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51.发明授权公开(公告)号：US10726774B2
公开(公告)日：2020-07-28
申请号：US16209360
申请日：2018-12-04
发明人： Wei Hao , Feifei Wang , Luqiang Guo , Jieqiong Wang , Ziqiang Guo
摘要： A backlight driving circuit includes a backlight driving sub-circuit. The backlight driving sub-circuit includes at least one voltage receiving end; at least two switch sub-circuits and at least two driving ends. The voltage receiving end is connected to first electrodes of at least two light emitting elements. Second electrodes of the at least two light emitting elements are connected to first ends of the at least two switch sub-circuits, respectively. The control end of each switch sub-circuit receives a switch control signal. The second end of each switch sub-circuit is connected to a corresponding driving end. The first end and the second end of the switch sub-circuit are connected or disconnected under the control of the switch control signal.
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公开(公告)号：US10572986B2
公开(公告)日：2020-02-25
申请号：US16014429
申请日：2018-06-21
发明人： Chengqi Zhou , Jun Guo , Xin Duan , Xiaomang Zhang , Jieqiong Wang , Ming Chen
摘要： The present disclosure discloses an image enhancement method and device. The method comprises: performing logarithm related processing on a grayscale value matrix Y of an original image to obtain a logarithmic matrix L_LOG; quantizing the logarithmic matrix L_LOG to obtain a quantized matrix Y_RE; and obtaining an enhanced image of the original image according to the quantized matrix Y_RE, wherein quantizing the logarithmic matrix L_LOG comprises: when the logarithmic matrix L_LOG is quantized to be within a grayscale range of a certain depth, causing a zero point of the logarithmic matrix L_LOG to be close to an average value of the grayscale value matrix Y.
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公开(公告)号：US10288936B2
公开(公告)日：2019-05-14
申请号：US15565900
申请日：2017-03-23
发明人： Xin Gai , Xiuyun Chen , Jieqiong Wang , Dae Keun Yoon , Zhidan Zhang , Miao Liu , Jingjun Du , Baocheng Huang
IPC分类号： G02F1/1333 , G02F1/1335 , F21V8/00
摘要： The present disclosure provides a backlight module and display apparatus. The backlight module includes: a back plate; a light guide plate provided on the back plate, at least one side of the light guide plate being provided with at least one first concave-convex structure; and at least one position-limiting component provided on the back plate, the position-limiting component comprising at least one second concave-convex structure, the at least one second concave-convex structure and the at least one first concave-convex structure being cooperated with each other and being rotatable with respect to each other within a plane where the light guide plate is located, such that a contact state between the cooperated first and second concave-convex structures is switchable between an abutting contact state and an intermeshing state.
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公开(公告)号：US10210817B2
公开(公告)日：2019-02-19
申请号：US15528888
申请日：2016-11-14
发明人： Liang Zhang , Shuo Li , Zhipeng Feng , Jianguang Yang , Dan Su , Zongze He , Jieqiong Wang
摘要： The present application discloses a circuit for driving a light emitting diode light source assembly having a plurality of light emitting diode groups, each group having at least one light emitting diode. The circuit includes a processor configured to determine a set brightness level, calculate a number of light emitting diode groups required to be on to achieve the set brightness level, and select the number of light emitting diode groups to be turned on at allocated positions in the light emitting diode light source assembly; and a driving sub-circuit configured to turn on the number of light emitting diode groups at the allocated positions. The number of light emitting diode groups is a positive integer N, N is less than a total number of the plurality of light emitting diode groups.
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公开(公告)号：US10019928B2
公开(公告)日：2018-07-10
申请号：US15536087
申请日：2016-08-11
发明人： Zongze He , Jieqiong Wang , Dan Su , Shuo Li , Jianguang Yang , Zhipeng Feng , Liang Zhang
IPC分类号： G09G3/20
CPC分类号： G09G3/2003 , G09G3/2088 , G09G2320/0242 , G09G2320/0276 , G09G2320/0285 , G09G2320/0693
摘要： The present disclosure provides a method for obtaining a mura compensation value, a device for obtaining a mura compensation value and a display panel. The method includes: obtaining an image of a detection picture displayed on a display panel, extracting display data matrices of three primary colors, obtaining first correction matrices of the three primary colors, obtaining position coordinates of extreme points of the first correction matrices of the three primary colors, obtaining second correction matrices and a third correction matrix group of the three primary colors, obtaining compensation matrices from the third correction matrices as mura compensation values of the display panel.
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56.发明授权Common voltage driving compensation unit, method and display panel using the same 有权公共电压驱动补偿单元，方法和显示面板使用相同公开(公告)号：US09542913B2
公开(公告)日：2017-01-10
申请号：US14496812
申请日：2014-09-25
发明人： Jieqiong Wang
CPC分类号： G09G5/18 , G09G3/3696 , G09G2310/0232 , G09G2320/0223 , G09G2320/0242
摘要： A common voltage driving compensation unit is disclosed, comprising: an operational amplifier and a controller, wherein an in-phase input terminal and a reverse-phase input terminal of the operational amplifier are inputted a common voltage and a feedback voltage respectively. Multiple paths are provided in parallel between the reverse-phase input terminal and a first output terminal, and each path including an analog switch and a resistor. The controller is configured to control a combination of on and off of the analog switches based on a range to which the count value of the CPV signal belongs. The common voltage driving compensation unit is configured to produce corresponding amplification ratios based on the combination, so as to provide common voltages with corresponding amplification ratios for the compensation of the common electrodes in different display areas. For a display panel with a heavy-load, the fluctuation coupling of the common electrodes may be compensated.
摘要翻译： 公开了一种公共电压驱动补偿单元，包括：运算放大器和控制器，其中运算放大器的同相输入端子和反相输入端子分别输入公共电压和反馈电压。 在反相输入端和第一输出端之间并联提供多条路径，每路包括模拟开关和电阻。 控制器被配置为基于CPV信号的计数值所属的范围来控制模拟开关的接通和关断的组合。 公共电压驱动补偿单元被配置为基于该组合产生相应的放大率，以便为不同显示区域中的公共电极的补偿提供具有相应放大率的公共电压。 对于具有重负载的显示面板，可以补偿公共电极的波动耦合。
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公开(公告)号：US09520095B2
公开(公告)日：2016-12-13
申请号：US14743168
申请日：2015-06-18
发明人： Jieqiong Wang
IPC分类号： G09G3/36
摘要： The present disclosure provides a display driving circuit, a driving method thereof, and a display apparatus, to solve the issue regarding power consumption of the display driver due to multiple reversal of the data voltage. The driving method comprises: firstly, determining pre-input data signals that are respectively input by a data line to each pixel unit of a column of pixel units corresponding to the data line when inputting a Nth image frame; next, determining, according to magnitudes or polarities of the pre-input data signals, a scanning order for the gate lines; then, scanning the gate lines according to the scanning order; and then, inputting the pre-input data signals to corresponding pixel units by the data lines.
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公开(公告)号：US20160240153A1
公开(公告)日：2016-08-18
申请号：US14743168
申请日：2015-06-18
发明人： Jieqiong Wang
IPC分类号： G09G3/36
CPC分类号： G09G3/3614 , G09G3/3677 , G09G3/3688 , G09G2310/0213 , G09G2310/08 , G09G2330/021
摘要： The present disclosure provides a display driving circuit, a driving method thereof, and a display apparatus, to solve the issue regarding power consumption of the display driver due to multiple reversal of the data voltage. The driving method comprises: firstly, determining pre-input data signals that are respectively input by a data line to each pixel unit of a column of pixel units corresponding to the data line when inputting a Nth image frame; next, determining, according to magnitudes or polarities of the pre-input data signals, a scanning order for the gate lines; then, scanning the gate lines according to the scanning order; and then, inputting the pre-input data signals to corresponding pixel units by the data lines.
摘要翻译： 本公开提供了一种显示驱动电路，其驱动方法和显示装置，以解决由于数据电压的多次反转引起的显示驱动器的功耗问题。 驱动方法包括：首先，当输入第N个图像帧时，确定分别由数据线输入到对应于数据线的像素单元列的每个像素单元的预输入数据信号; 接下来，根据预输入数据信号的大小或极性来确定栅极线的扫描顺序; 然后根据扫描顺序扫描栅极线; 然后，通过数据线将预输入的数据信号输入到相应的像素单元。
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公开(公告)号：US09330626B2
公开(公告)日：2016-05-03
申请号：US14105468
申请日：2013-12-13
发明人： Jieqiong Wang
CPC分类号： G09G3/3696 , G09G3/3688 , G09G2310/0248 , G09G2310/0291 , G09G2320/0252 , H03K6/02
摘要： Provided are a driving circuit and a display panel, the driving circuit comprises a voltage dividing module, a comparing module and a switching module, wherein the voltage dividing module has a first terminal connected to a first terminal of the switching module, a second terminal connected to a first terminal of the comparing module, and a third terminal serving as a grounding terminal; a second terminal of the comparing module is connected to a first voltage input terminal, third, fourth and fifth terminals of the comparing module are connected to three control terminals of the switching module respectively; the first terminal of the switching module is connected to a voltage output terminal, a second terminal of the switching module is connected to the first voltage input terminal, and third and fourth terminals of the switching module are connected to second and third voltage input terminal, respectively.
摘要翻译： 提供了一种驱动电路和显示面板，该驱动电路包括分压模块，比较模块和开关模块，其中分压模块具有连接到开关模块的第一端子的第一端子，第二端子连接 到比较模块的第一端子和用作接地端子的第三端子; 比较模块的第二端子连接到第一电压输入端子，比较模块的第三，第四和第五端子分别连接到开关模块的三个控制端子; 开关模块的第一端子连接到电压输出端子，开关模块的第二端子连接到第一电压输入端子，开关模块的第三端子和第四端子连接到第二和第三电压输入端子， 分别。
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60.发明申请COMMON VOLTAGE DRIVING COMPENSATION UNIT, METHOD AND DISPLAY PANEL USING THE SAME 有权通用电压驱动补偿单元，方法和使用它的显示面板公开(公告)号：US20150356951A1
公开(公告)日：2015-12-10
申请号：US14496812
申请日：2014-09-25
发明人： Jieqiong Wang
CPC分类号： G09G5/18 , G09G3/3696 , G09G2310/0232 , G09G2320/0223 , G09G2320/0242
摘要： A common voltage driving compensation unit is disclosed, comprising: an operational amplifier and a controller, wherein an in-phase input terminal and a reverse-phase input terminal of the operational amplifier are inputted a common voltage and a feedback voltage respectively. Multiple paths are provided in parallel between the reverse-phase input terminal and a first output terminal, and each path including an analog switch and a resistor. The controller is configured to control a combination of on and off of the analog switches based on a range to which the count value of the CPV signal belongs. The common voltage driving compensation unit is configured to produce corresponding amplification ratios based on the combination, so as to provide common voltages with corresponding amplification ratios for the compensation of the common electrodes in different display areas. For a display panel with a heavy-load, the fluctuation coupling of the common electrodes may be compensated.
摘要翻译： 公开了一种公共电压驱动补偿单元，包括：运算放大器和控制器，其中运算放大器的同相输入端子和反相输入端子分别输入公共电压和反馈电压。 在反相输入端和第一输出端之间并联提供多条路径，每路包括模拟开关和电阻。 控制器被配置为基于CPV信号的计数值所属的范围来控制模拟开关的接通和关断的组合。 公共电压驱动补偿单元被配置为基于该组合产生相应的放大率，以便为不同显示区域中的公共电极的补偿提供具有相应放大率的公共电压。 对于具有重负载的显示面板，可以补偿公共电极的波动耦合。
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