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1. 发明申请

US20210264858A1 PIXEL COMPENSATION CIRCUIT, DISPLAY APPARATUS, AND PIXEL COMPENSATION CIRCUIT DRIVING METHOD 有权
公开(公告)号：US20210264858A1
公开(公告)日：2021-08-26
申请号：US17255104
申请日：2020-05-26
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Tangxiang WANG , Yi CHEN , Zhan GAO
IPC分类号： G09G3/3258 , G09G3/3241
摘要： Disclosed are a pixel compensation circuit, a display apparatus, and a pixel compensation circuit driving method. The pixel compensation circuit comprises: an integration circuit, a comparison circuit, a timing circuit, and a processor, wherein the integration circuit is configured to integrate driving currents of a pixel circuit, and then output a first voltage; the comparison circuit is configured to receive the first voltage, compare the first voltage with a first reference voltage, and then output a first logic control signal; the timing circuit is configured to acquire a first working duration; and the processor is configured to acquire the first working duration, obtain, according to correlations between the pre-obtained working duration and the pixel driving currents, a target driving current, corresponding to the first working duration, of the pixel circuit, and obtain a compensation parameter according to the target driving current.

2. 发明申请

US20230086927A1 DISPLAY PANEL AND DISPLAY APPARATUS 有权
公开(公告)号：US20230086927A1
公开(公告)日：2023-03-23
申请号：US17908021
申请日：2021-09-17
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Ying HAN , Xuehuan FENG , Yicheng LIN , Pan XU , Guoying WANG , Xing ZHANG , Zhan GAO , Mingi CHU
IPC分类号： G09G3/3266 , G11C19/28 , G09G3/3275 , H10K59/131 , H10K59/121 , H01L27/12
摘要： A display panel includes: a substrate, sub-pixels and a gate drive circuit. The sub-pixel includes a pixel drive circuit. The gate drive circuit includes cascaded shift registers, and a shift register is electrically connected to pixel drive circuits in a row of sub-pixels. The gate drive circuit further includes cascade input signal lines and cascade display reset signal lines. The cascade input signal line is configured to connect a shift signal terminal and an input signal terminal of two different shift register, and the cascade display reset signal line is configured to connect a shift signal terminal and a display reset signal terminal of two different shift register. The display panel has sub-pixel regions for arranging the sub-pixels and first gap regions each located between two adjacent columns of sub pixel regions: the cascade display reset signal lines and the cascade input signal lines are disposed in different first gap regions.

3. 发明申请

US20220320204A1 DISPLAY SUBSTRATE, DISPLAY DEVICE, AND MANUFACTURING METHOD THEREOF 有权
公开(公告)号：US20220320204A1
公开(公告)日：2022-10-06
申请号：US17512380
申请日：2021-10-27
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Guoying WANG , Pan XU , Xing ZHANG , Ying HAN , Zhan GAO , Zhen SONG
IPC分类号： H01L27/32 , H01L51/56 , H01L51/52
摘要： The present disclosure provides a display substrate, a display device and a manufacturing method thereof. The display substrate includes a first substrate, a pixel defining layer on the first substrate and including a plurality of sub-pixel openings, and at least one recess on a side of the display substrate away from the first substrate. An orthographic projection of the at least one recess on the first substrate and orthographic projections of the plurality of sub-pixel openings on the first substrate do not overlap.

4. 发明申请

US20220384763A1 TRANSPARENT DISPLAY DEVICE, SIMULATION METHOD, AND MANUFACTURING METHOD 有权
公开(公告)号：US20220384763A1
公开(公告)日：2022-12-01
申请号：US17761537
申请日：2021-05-20
申请人： BOE Technology Group Co., Ltd.
发明人： Xuefei SUN , Jaegeon YOU , Xing ZHANG , Yicheng LIN , Pan XU , Ying HAN , Guoying WANG , Zhan GAO
IPC分类号： H01L51/52 , H01L51/56
摘要： The present disclosure provides a transparent display device, a simulation method, and a manufacturing method. The transparent display device includes a base substrate and a plurality of pixels arranged in an array form on the base substrate. Each pixel includes a transparent region and a display region, and a scattering structure for scattering light is arranged along a boundary between the transparent region and the display region.

5. 发明申请

US20220123083A1 DISPLAY SUBSTRATE, DISPLAY PANEL AND DISPLAY DEVICE 有权
公开(公告)号：US20220123083A1
公开(公告)日：2022-04-21
申请号：US17418814
申请日：2020-11-13
申请人： BOE Technology Group Co., Ltd.
发明人： Ying HAN , Yicheng LIN , Pan XU , Xing ZHANG , Zhan GAO , Guang YAN
IPC分类号： H01L27/32 , H01L51/56
摘要： A display substrate (100), a display panel and a display apparatus. The display substrate (100) comprises a base (10), and a light-emitting device (21) and an optical compensation structure (30), which are located on the base (10), wherein the optical compensation structure (30) comprises a photoelectric sensor (31), a transistor (32) and a capacitor (33); the photoelectric sensor (31) is respectively electrically connected to the transistor (32) and the capacitor (33); the photoelectric sensor (31) comprises a first electrode (311), a photosensitive layer (312) located on a side of the first electrode (311) that is away from the base (10), and a second electrode (313) located on a side of the photosensitive layer (312) that is away from the base (10); the transistor (32) comprises a source electrode (324), a drain electrode (323), a gate electrode (322) and an active layer (321); the capacitor (33) comprises a first electrode plate (331) and a second electrode plate (332) located on a side of the first electrode plate (331) that is away from the base (10); neither of the orthographic projection of the source electrode (324) on the base (10) and the orthographic projection of the drain electrode (323) on the base (10) overlaps with the orthographic projection of the first electrode plate (331) on the base (10); and both the orthographic projection of the source electrode (324) on the base (10) and the orthographic projection of the drain electrode (323) on the base (10) overlap with the orthographic projection of the first electrode (311) on the base (10).

6. 发明申请

US20200265760A1 SAMPLING METHOD AND DEVICE, SAMPLING CONTROL METHOD, DEVICE AND SYSTEM, AND DISPLAY DEVICE 审中-公开
公开(公告)号：US20200265760A1
公开(公告)日：2020-08-20
申请号：US16348315
申请日：2018-08-28
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Chen SONG , Tangxiang WANG , Zhan GAO , Song MENG , Dongfang YANG
IPC分类号： G09G3/00 , G09G3/3233
摘要： The present disclosure discloses a sampling method, a sampling control method, a sampling device, a sampling control device, a sampling control system, and a display device. The present disclosure provides a sampling method for sampling pixel units disposed on a display substrate, the method including: the controller controlling a plurality of sampling modules to be simultaneously turned on, so that a plurality of sampling modules controlled by the controller are capable of receiving luminance information of the pixel units obtained through sampling of the sampling channel; the controller sequentially controlling a group of sampling channels to be simultaneously turned on, so that the group of sampling channels simultaneously sample the luminance information, and transmit the sampled luminance information to respective sampling modules connected to the group of sampling channels through the output terminals of the group of sampling channels.

7. 发明申请

US20210343973A1 DISPLAY SUBSTRATE, DISPLAY PANEL, MANUFACTURING METHOD OF DISPLAY PANEL AND DISPLAY DEVICE 有权
公开(公告)号：US20210343973A1
公开(公告)日：2021-11-04
申请号：US17279771
申请日：2020-06-02
申请人： BOE Technology Group Co., Ltd.
发明人： Xing ZHANG , Wei QUAN , Yicheng LIN , Pan XU , Ling WANG , Guoying WANG , Ying HAN , Zhan GAO
IPC分类号： H01L51/52 , H01L27/32 , H01L51/56
摘要： The present disclosure provides a display substrate, including: a base substrate, which includes a display region and a driving region arranged on at least one side of the display region; a first electrode layer disposed in the display region; a signal output part disposed in the driving region, the first electrode layer is electrically coupled to the signal output part, the first electrode layer comprises a plurality of electrode regions each having a same area; and a plurality of auxiliary electrodes, which are in one-to-one correspondence with the plurality of electrode regions and configured to be coupled in parallel with the first electrode layer, a resistance of each auxiliary electrode is inversely correlated with a minimum distance from the electrode region corresponding to said each auxiliary electrode to the signal output part. The present disclosure further provides a display panel and a manufacturing method thereof and a display device.

8. 发明申请

US20210013899A1 DIGITAL-TO-ANALOG CONVERTER, CONVERSION CIRCUIT AND DISPLAY DEVICE 有权
公开(公告)号：US20210013899A1
公开(公告)日：2021-01-14
申请号：US16489150
申请日：2019-03-18
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Tangxiang WANG , Chen SONG , Zhan GAO , Yi CHEN
IPC分类号： H03M1/68 , H03M1/76 , G09G3/20
摘要： Embodiments of the present disclosure provide a digital-to-analog converter, a conversion circuit and a display device. An M-bit digital-to-analog converter includes a higher M−N-bit digital-to-analog conversion circuit, a voltage conversion circuit, an output circuit. The higher M−N-bit digital-to-analog conversion circuit includes: a higher M−N-bit voltage division generation circuit, a first voltage selection circuit. The first voltage selection circuit selects a first voltage from the higher M−N-bit voltage division generation circuit based on a higher M−N-bit digital signal, to be output from a first voltage end. The voltage conversion circuit charges a capacitor circuit under the control of a first switch circuit and a second switch circuit, and discharges a second voltage to a second voltage end through the capacitor circuit. The output circuit controls the first voltage and the second voltage based on a lower N-bit digital signal, generates an analog voltage signal corresponding to an M-bit digital signal.

9. 发明申请

US20200091928A1 DIGITAL TO ANALOG CONVERTER, METHOD FOR DRIVING THE SAME, AND DISPLAY DEVICE 审中-公开
公开(公告)号：US20200091928A1
公开(公告)日：2020-03-19
申请号：US16520921
申请日：2019-07-24
申请人： BOE Technology Group Co., Ltd.
发明人： Tangxiang WANG , Chen SONG , Zhan GAO
IPC分类号： H03M1/78
摘要： A digital to analog converter, a method for driving the same, and a display device are provided. The digital to analog converter includes: a first resistor string, 2m first multiplexers, a first voltage selector, a second resistor string, a second voltage selector, and a second multiplexer, where the 2m first multiplexers, the first voltage selector, and the second voltage selector operate in cooperation with each other so that the entire second resistor string can be connected in series to the first resistor string for further division.

10. 发明申请

US20220399530A1 DISPLAY APPARATUS, AND METHOD FOR MANUFACTURING COVER PLATE OF DISPLAY APPARATUS 有权
公开(公告)号：US20220399530A1
公开(公告)日：2022-12-15
申请号：US17770595
申请日：2021-03-09
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Ying HAN , Ling WANG , Pan XU , Yicheng LIN , Zhan GAO , Guoying WANG , Xing ZHANG
IPC分类号： H01L51/52 , H01L27/32 , H01L51/56
摘要： A display apparatus includes a cover plate and a display substrate. The cover plate includes a first base substrate, a black matrix and a support layer stacked on a side of the first base substrate, and a quantum dot layer disposed on the side of the first base substrate. The black matrix and the support layer each have a plurality of openings to form a plurality of opening regions. The quantum dot layer includes a plurality of quantum dot units. Each quantum dot unit is located in an opening region in the plurality of opening regions. The display substrate includes a second base substrate, driving circuit structures disposed on a side of the second base substrate, and light-emitting devices disposed on a side of the driving circuit structures. Each light-emitting device is coupled to a driving circuit structure in the driving circuit structures to emit light.

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