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公开(公告)号：US11341905B2
公开(公告)日：2022-05-24
申请号：US17270475
申请日：2020-05-25
发明人： Hong Liu , Yankai Gao , Guofeng Hu , Yuxin Bi , Mingjian Yu , Lingyun Shi , Ming Chen
摘要： A level converter, a data processing method, and a display device are provided. The level converter is used for providing a direct current signal for image display and includes a storage circuit, a processing circuit, and a level conversion component. The level conversion component includes a plurality of level conversion circuits; the storage circuit is configured to store image data of an image to be displayed; the processing circuit is in signal connection with the storage circuit, and is configured to obtain control data corresponding to the image data of the image to be displayed according to the image data; and the level conversion component is in signal connection with the processing circuit, and is configured to control whether each of the plurality of level conversion circuits performs level conversion according to the control data, so as to generate the direct current signal.
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公开(公告)号：US11315481B2
公开(公告)日：2022-04-26
申请号：US16754914
申请日：2019-11-14
发明人： Yankai Gao , Ming Chen , Lingyun Shi , Xin Duan , Yuxin Bi , Hong Liu , Mingjian Yu , Guofeng Hu
IPC分类号： G09G3/32
摘要： Disclosed includes an apparatus, a drive method, a display panel, and a display device. The apparatus may comprise a drive transistor, a light emitting device driven by the drive transistor and a comparator. The comparator may have a first input coupled to a pixel voltage, a second input coupled to a reference voltage, a first control terminal coupled to a first control voltage, a second control terminal coupled to a second control voltage, and an output coupled to a gate of the drive transistor. The comparator may be configured to output the first control voltage to the output during a first time period in which the pixel voltage is not smaller than the reference voltage and output the second control voltage to the output during a second time period in which the pixel voltage is smaller than the reference voltage.
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公开(公告)号：US12046590B2
公开(公告)日：2024-07-23
申请号：US17422750
申请日：2021-01-28
发明人： Qibing Gu , Guofeng Hu , Xiurong Wang , Jing Xue , Lingyun Shi , Ming Chen
CPC分类号： H01L25/167 , G09G3/32 , G09G2300/0452
摘要： Provided is a pixel structure, a display panel, and a display device. The pixel structure includes three sub-pixel units of different colors and a driving unit. The three sub-pixel units include a first sub-pixel unit, a second sub-pixel unit, and a third sub-pixel unit. The driving unit is configured to send corresponding display data to the three sub-pixel units respectively. The sub-pixel units are arranged on one side or two sides of the driving unit.
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公开(公告)号：US11380271B2
公开(公告)日：2022-07-05
申请号：US16772226
申请日：2019-07-31
摘要： Disclosed are a backlight driving method, a display driving method, a drive device and a display device. The backlight driving method includes: receiving a frame of backlight data, wherein the frame of backlight data includes a plurality of first control signals which are respectively applied to the plurality of switching channels and serve as the switching control signals, and a plurality of second control signal groups respectively corresponding to the plurality of first control signals, each of the plurality of second control signal groups includes a plurality of second control signals which are respectively applied to the plurality of output channels and serve as the output control signals, and the plurality of first control signals are modulated non-constant width pulse signals respectively; and driving the backlight unit to emit light by using the plurality of first control signals and the plurality of second control signal groups.
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5.发明授权公开(公告)号：US11308896B2
公开(公告)日：2022-04-19
申请号：US16611800
申请日：2019-02-22
发明人： Tiankuo Shi , Zhihua Ji , Xiaomang Zhang , Lingyun Shi , Xiurong Wang , Hao Zhang , Lili Chen , Yilang Sun , Yifang Chu , Yanhui Xi , Wenyu Li , Ming Chen
摘要： The embodiments of this disclosure disclose a liquid crystal display device and a control method thereof, a head-mounted display device and a computer-readable storage medium. The control method of the liquid crystal display device comprises: obtaining a state of each pixel in the display panel based on inputted image data; obtaining a display zone comprising both pixels in a bright state and pixels in a dark state based on the state of each pixel in the display panel, and using the obtained display zone as a destination zone; obtaining a halo region based on the state of the pixels in the destination zone, wherein the halo region comprises pixels in the dark state in the destination zone; generating a first control signal based on the halo region; and controlling based on the first control signal a backlight zone to be adjusted.
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公开(公告)号：US12074250B2
公开(公告)日：2024-08-27
申请号：US17291829
申请日：2020-01-23
发明人： Kangle Chang , Pei Li , Jinpeng Li , Lu Yu , Jian Sang , Haiwei Sun , Ming Chen
IPC分类号： H01L33/00 , H01L25/075 , H01L33/10
CPC分类号： H01L33/10 , H01L25/0753 , H01L33/005
摘要： A display substrate includes a base, a plurality of light-emitting devices disposed on a side of the base, and a light adjustment layer. The plurality of light-emitting devices are spaced apart from each other. At least part of the light adjustment layer is located in gaps among the plurality of light-emitting devices, so that side walls of at least one of the plurality of light-emitting devices are surrounded by the light adjustment layer. A material of the light adjustment layer includes a light-absorbing material. The light adjustment layer is configured to absorb light incident on the light adjustment layer.
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公开(公告)号：US11587506B2
公开(公告)日：2023-02-21
申请号：US17259594
申请日：2020-03-30
发明人： Hong Liu , Qibing Gu , Lingyun Shi , Ming Chen , Xiurong Wang , Guofeng Hu , Mingjian Yu , Donghui Wang
IPC分类号： G09G3/3233
摘要： Pixel structure, driving method thereof and display device are disclosed. The pixel structure includes: light-emitting device having first electrode coupled to corresponding first voltage line. Driving chip includes: receiving circuit configured to decode first digital clock signal on first control line in display phase to obtain first address data and light emission data; address storage circuit configured to store reference address data before the display phase; data processing circuit configured to output PWM signal and current control signal corresponding to each light-emitting device according to the light emission data when the first address data is the same as the reference address data; current output circuit configured to output driving current according to the current control signal; and gating circuit configured to sequentially receive the PWM signal corresponding to each light-emitting device and transmit the driving current to the output terminal when the PWM signal is in active-level state.
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公开(公告)号：US20220309996A1
公开(公告)日：2022-09-29
申请号：US17290146
申请日：2020-09-10
发明人： Wenchieh Huang , Lingyun Shi , Ming Chen , Xue Dong
IPC分类号： G09G3/32
摘要： An electronic substrate and a driving method thereof, and a display device. The electronic substrate includes a pixel drive chip which includes at least one signal terminal, a signal generation circuit, a data storage circuit, and an output circuit; at least one signal terminal is configured to be electrically connected to the light-emitting element; the signal generation circuit is connected to at least one signal terminal and configured to receive an input signal through the at least one signal terminal and generate a clock signal according to the input signal; the data storage circuit is configured to receive the clock signal and store the input signal according to the clock signal; and the output circuit is configured to output a current, which is generated according to the stored input signal and used for driving the light-emitting element, though at least one signal terminal.
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公开(公告)号：US11322076B2
公开(公告)日：2022-05-03
申请号：US17418585
申请日：2020-10-21
发明人： Lingyun Shi , Wenchieh Huang , Ming Chen , Xue Dong , Haiwei Sun , Xiurong Wang , Qibing Gu , Guofeng Hu
IPC分类号： G09G3/32
摘要： A pixel driving chip and a driving method therefor, and a display apparatus. The pixel driving chip includes a data input circuit, a time selection circuit, and a current control circuit; the data input circuit is configured to receive display data, and partition the display data to obtain a data partition to which the display data belongs in M data partitions that are obtained on the basis of a display data range; the time selection circuit is configured to determine, according to the data partition to which the display data belongs, an output time length corresponding to the display data, and within the output time length, output the display data to the current control circuit; the current control circuit is configured to determine, according to the display data, a driving current flowing through a light emitting element corresponding to the display data.
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公开(公告)号：US12073763B2
公开(公告)日：2024-08-27
申请号：US18245040
申请日：2022-05-23
发明人： Qibing Gu , Guofeng Hu , Xiuling Li , Bao Fu , Wenchieh Huang , Lingyun Shi , Ming Chen
CPC分类号： G09G3/2092 , G09G3/32 , H01L25/167 , H01L27/124 , G09G2300/0408 , G09G2310/08 , G09G2320/064 , G09G2330/021
摘要： A pixel unit includes N light-emitting devices and a pixel driving chip. The pixel driving chip includes: a data signal terminal used to receive a data signal; a power supply signal terminal used to receive a power supply signal; and N signal channel terminals being in one-to-one correspondence with the N light-emitting devices. A first electrode of a first light-emitting device in the N light-emitting devices is configured to be coupled to the power supply signal terminal, a second electrode of an n-th light-emitting device in the N light-emitting devices is coupled to a first electrode of an (n+1)-th light-emitting device and an n-th signal channel terminal in the N signal channel terminals; N is a positive integer greater than 1, and n is a positive integer greater than or equal to 1 and less than or equal to N.
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