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公开(公告)号：US20210375205A1
公开(公告)日：2021-12-02
申请号：US16960976
申请日：2020-01-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tian Dong
IPC: G09G3/3233 , G09G3/3291
Abstract: The present disclosure discloses a display compensation circuit and a method for controlling the same, and a display apparatus. The display compensation circuit comprises a pixel circuit and a power supply selection circuit. The pixel circuit comprises: a light-emitting control sub-circuit; a driving transistor; a first compensation sub-circuit; a second compensation sub-circuit; and a light-emitting element. The power supply selection circuit is coupled to the first power supply terminal, the second power supply terminal, a first switch control terminal, a second switch control terminal and the third node respectively, and is configured to selectively transmit a first power supply signal at the first power supply terminal and a second power supply signal at the second power supply terminal to the third node under control of the first switch control terminal and the second switch control terminal.
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公开(公告)号：US20210327360A1
公开(公告)日：2021-10-21
申请号：US16618894
申请日：2019-06-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tian Dong
IPC: G09G3/3266 , G09G3/3225 , G09G3/3275
Abstract: The disclosure relates to a display panel. The display panel may include a pixel unit group and a scanning circuit. The pixel unit group may include a first pixel unit and a second pixel unit. The scanning circuit may include a first scan signal terminal and a second scan signal terminal. The first scan signal terminal may be configured to simultaneously provide a same gate signal to the first pixel unit and the second pixel unit, and/or the second scan signal terminal may be configured to simultaneously provide a same light emitting control signal to the first pixel unit and the second pixel unit.
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43.发明申请公开(公告)号：US20210217339A1
公开(公告)日：2021-07-15
申请号：US16652180
申请日：2019-10-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Can Zheng , Libin Liu , Li Wang , Tian Dong , Guangliang Shang , Xinshe Yin
IPC: G09G3/00
Abstract: The present disclosure relates to a gate driving circuit applied to a foldable display panel comprising B display areas arranged in order. The gate driving circuit may include B gate driving subcircuits and a control circuit. Each of the gate driving subcircuits may correspond to one of the display areas and each of the gate driving subcircuits may comprise a plurality of stage gate driving units. The control circuit may be configured to, when the foldable display panel is in a full screen display state, control a type of an input signal in a last stage gate driving unit of a bth gate driving subcircuit to be the same as a type of an input signal in a first stage gate driving unit of a (b+1)th gate driving subcircuit, where B is an integer greater than 1 and b is a positive integer less than B.
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公开(公告)号：US10923027B2
公开(公告)日：2021-02-16
申请号：US16395136
申请日：2019-04-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tian Dong , Shiming Shi
IPC: G09G3/3225 , G09G3/3275
Abstract: The present disclosure provides a driving method, a display panel and a control method thereof. The driving circuit is configured to drive pixel circuits arranged in an array. The driving circuit includes a plurality of driving modules and a plurality of data writing modules. Each of the plurality of driving modules is connected to two adjacent rows of the pixel circuits through a controlling line and is configured to drive the two adjacent rows of the pixel circuits simultaneously. Each of the plurality of data writing modules is connected to a data line and one column of the pixel circuits, respectively, and is configured to write display data of the data line into a pixel circuit of odd row and a pixel circuit of even row in the one column of pixel circuits in a time sharing manner in response to the driving modules driving the pixel circuits.
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公开(公告)号：US10714012B2
公开(公告)日：2020-07-14
申请号：US16172509
申请日：2018-10-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tian Dong
IPC: G09G3/3258 , G09G3/3233 , H01L51/52
Abstract: A pixel circuit includes: a reset sub-circuit, configured to write an input voltage of a reset terminal into a first control point and write an input voltage of a reference power source terminal into a second control point; a drive control sub-circuit, configured to write an input voltage of a data terminal into the first control point; a power supply sub-circuit, configured to supply a voltage of a first power source terminal to the second control point and enable a third control point to communicate with a fourth control point; a storage sub-circuit, configured to store voltages of the first and second control points; a drive sub-circuit, configured to discharge electricity under the control of the voltages of the first and second control points; and a light-emitting element, configured to emit light under the control of a voltage of the fourth control point.
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Patent Agency Ranking
46.发明授权公开(公告)号：US10672343B2
公开(公告)日：2020-06-02
申请号：US16123626
申请日：2018-09-06
Inventor： Kuo Sun , Tian Dong , Guoqiang Ma
IPC: G09G3/3266 , G09G3/3233 , G09G3/3291 , H01L27/32
Abstract: The present disclosure discloses a signal control apparatus and method, a display control apparatus and method, and a display apparatus. The display apparatus comprises M rows*N columns of pixel driving circuits arranged in an array, wherein the M pixel driving circuits of each column of pixel driving circuits are divided into k groups. The signal control apparatus comprises: a phase shifting circuit configured to provide a scanning signal to a pixel driving circuit to cause the pixel driving circuit to enter a data signal writing phase, wherein a phase difference between scanning signals of adjacent two pixel driving circuits in the same group of pixel driving circuits in the same column of pixel driving circuits is T, and a phase difference between scanning signals of adjacent two pixel driving circuits in the same column of pixel driving circuits is T/k; a write control circuit configured to provide a data signal from a data signal terminal to a pixel driving circuit for a data writing period of Ti=T/k; and a matching control circuit configured to control the write control circuit to provide the data signal to a pixel driving circuit that receives a scanning signal.
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公开(公告)号：US10608204B2
公开(公告)日：2020-03-31
申请号：US15975336
申请日：2018-05-09
Applicant: BOE Technology Group Co., Ltd.
Inventor： Tian Dong
Abstract: Provided are an encapsulation structure-containing display device, a method for producing the same, an array substrate and a display apparatus. The display device has a base substrate, function layers on the base substrate, and an encapsulation unit on the function layers, wherein the encapsulation unit is in contact with the base substrate around the function layers, to encapsulate the function layers; wherein the base substrate comprises a first substrate, a first moisture-oxygen-blocking organic layer on the first substrate, and a second substrate on the first moisture-oxygen-blocking organic layer; wherein the function layers are on the second substrate; wherein the encapsulation unit comprises a second moisture-oxygen-blocking organic layer, wherein the second moisture-oxygen-blocking organic layer is in contact with the first moisture-oxygen-blocking organic layer around the function layers and combines with the first moisture-oxygen-blocking organic layer at the contact surface to form an one-piece structure.
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48.发明申请公开(公告)号：US20190244569A1
公开(公告)日：2019-08-08
申请号：US16123626
申请日：2018-09-06
Inventor： Kuo Sun , Tian Dong , Guoqiang Ma
IPC: G09G3/3266 , G09G3/3233 , G09G3/3291 , H01L27/32
Abstract: The present disclosure discloses a signal control apparatus and method, a display control apparatus and method, and a display apparatus. The display apparatus comprises M rows*N columns of pixel driving circuits arranged in an array, wherein the M pixel driving circuits of each column of pixel driving circuits are divided into k groups. The signal control apparatus comprises: a phase shifting circuit configured to provide a scanning signal to a pixel driving circuit to cause the pixel driving circuit to enter a data signal writing phase, wherein a phase difference between scanning signals of adjacent two pixel driving circuits in the same group of pixel driving circuits in the same column of pixel driving circuits is T, and a phase difference between scanning signals of adjacent two pixel driving circuits in the same column of pixel driving circuits is T/k; a write control circuit configured to provide a data signal from a data signal terminal to a pixel driving circuit for a data writing period of Ti=T/k; and a matching control circuit configured to control the write control circuit to provide the data signal to a pixel driving circuit that receives a scanning signal.
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公开(公告)号：US12165587B2
公开(公告)日：2024-12-10
申请号：US18244368
申请日：2023-09-11
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Li Wang , Qian Yang , Tian Dong , Renrong Gai , Jingquan Wang , Bo Wang
IPC: G09G3/3233 , H10K59/131
Abstract: A display panel and a driving method thereof and a display device are provided. The display panel includes a pixel circuit and a light-emitting element, the pixel circuit including a driving transistor, a first reset transistor and a second reset transistor; the first reset transistor configured to reset the gate electrode of the driving transistor, and the second reset transistor configured to reset the first electrode of the light-emitting element; a first initialization signal line connected with the gate electrode of the driving transistor through the first reset transistor; and a first power line. The first reset transistor is a dual-gate transistor and includes a first channel and a second channel which are connected by a first conductive connection portion; an orthographic projection of the first conductive connection portion on the base substrate is completely within an orthographic projection of the first power line on the base substrate.
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公开(公告)号：US11997898B2
公开(公告)日：2024-05-28
申请号：US17615950
申请日：2020-12-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: G09G3/30 , G09G3/3233 , G09G3/3266 , G09G3/3275 , H10K59/121 , H10K59/131 , G06F3/00 , G06F3/033 , H10K102/00
CPC classification number: H10K59/131 , G09G3/3233 , G09G3/3266 , G09G3/3275 , H10K59/121 , G06F3/00 , G06F3/033 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2320/0214 , G09G2320/0247 , G09G2330/02 , G09G2330/021 , H10K2102/302
Abstract: Disclosed are a display panel and a display device. The display panel includes: a pixel unit, including a pixel circuit and a light-emitting element, the pixel circuit includes a driving transistor and a threshold compensation transistor; a first power line configured to supply a first power supply voltage to the pixel circuit; a blocker, electrically connected with the first power line; and a first conductive structure, connected with the gate electrode of the driving transistor, the first channel and the second channel of the threshold compensation transistor are connected by a conductive connection portion; an area of an orthographic projection of a portion of the blocker overlapping with the first conductive structure on the base substrate is larger than an area of an orthographic projection of a portion of the blocker overlapping with the conductive connection portion on the base substrate.
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