公开(公告)号：US20180259691A1

公开(公告)日：2018-09-13

申请号：US15761131

申请日：2017-06-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wei WANG ,  Yafeng YANG ,  Xiaochuan CHEN ,  Qian WANG ,  Jifeng TAN ,  Jian GAO ,  Xinli MA ,  Can ZHANG ,  Can WANG

IPC: G02B5/18

Abstract: A display device is disclosed. The display device includes a display panel, and a grating layer arranged inside or outside of the display panel. Along a direction pointing from a center of a sight concentration area of the display device to a non-sight concentration area of the display device, a grating period of the grating layer decreases gradually. When incident light incident on the grating layer is diffracted at an area of the grating layer corresponding to the non-sight concentration area of the display device, the obtained light of non-zero order diffraction falls into a sight of a viewer.

公开(公告)号：US20180239158A1

公开(公告)日：2018-08-23

申请号：US15752729

申请日：2017-06-06

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wei WANG ,  Yafeng YANG ,  Xiaochuan CHEN ,  Jifeng TAN ,  Can WANG ,  Xinli MA ,  Jian GAO ,  Can ZHANG ,  Qian WANG

IPC: G02B27/22 ,  G02B5/18 ,  G02F1/1335 ,  H04N13/31 ,  G02F1/29

CPC classification number: G02B27/2214 ,  G02B5/18 ,  G02B5/1819 ,  G02B5/1866 ,  G02B27/22 ,  G02B27/225 ,  G02F1/1335 ,  G02F1/133504 ,  G02F1/29 ,  H04N13/31 ,  H04N13/344

Abstract: The present disclosure provides a display device. The display device comprises a display panel and a grating layer. The display panel comprises a left display area and a right display area, and from a center of a left-eye field-of-view central area of a left display area to a non left-eye field-of-view central area of the left display area, a grating period of a left-eye grating region of a first color, a grating period of a left-eye grating region of a second color, and a grating period of a left-eye grating region of a third color all decrease gradually. From a center of a right-eye field-of-view central area of a right display area to a non right-eye field-of-view central area of the right display area, a grating period of a right-eye grating region of the first color, a grating period of a right-eye grating region of the second color, and a grating period of a right-eye grating region of the third color all decrease gradually.

公开(公告)号：US20180231831A1

公开(公告)日：2018-08-16

申请号：US15571918

申请日：2017-05-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can WANG ,  Yafeng YANG ,  Jian GAO ,  Can ZHANG ,  Wei WANG ,  Jifeng TAN ,  Xinli MA

IPC: G02F1/1335

CPC classification number: G02F1/133526 ,  G02F1/133514 ,  G02F1/29

Abstract: A display panel and a display device are disclosed. The display panel includes a flat display substrate and optical devices. The optical devices are arranged on a display surface of the flat display substrate, and light emitted through the display surface of the flat display substrate passes through the optical devices and forms an image in a curved surface.

公开(公告)号：US20180164472A1

公开(公告)日：2018-06-14

申请号：US15554511

申请日：2017-02-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jian GAO ,  Xiaochuan CHEN ,  Yafeng YANG ,  Jifeng TAN ,  Pengcheng LU ,  Qian WANG ,  Can ZHANG ,  Can WANG ,  Xinli MA ,  Wei WANG

IPC: G02B3/00 ,  G02F1/1335 ,  G09F9/30

CPC classification number: G02B3/0056 ,  G02B3/0043 ,  G02F1/1335 ,  G02F1/133526 ,  G09F9/30

Abstract: A virtual curved surface display panel and a display device are provided. The virtual curved surface display panel includes a flat display panel having a plurality of pixels arranged in a matrix, and an array of convex lenses arranged on a light exit surface of the flat display panel. The array of convex lenses makes a track of image distances of the pixels form a curved surface. By adjusting the focal lengths of the lenses, the image distances of the pixels in the flat display panel can be various. The images of the pixels are then distributed on a curved surface. A visual effect of a virtual curved surface can be achieved with a flat display panel, improving the effect of visual impact.

公开(公告)号：US20170155052A1

公开(公告)日：2017-06-01

申请号：US15322140

申请日：2016-02-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can ZHANG ,  Yinan LIANG

IPC: H01L51/00 ,  B05D7/14 ,  H01L51/56 ,  C23C14/04

CPC classification number: H01L51/0011 ,  B05D7/14 ,  B29C65/7855 ,  B29C66/324 ,  B29C66/472 ,  C23C14/042 ,  H01L51/56

Abstract: The present disclosure provides a method for manufacturing a mask plate assembly, which includes providing a mask plate and a frame and securing the mask plate to the frame. The secured mask plate comprises a redundant portion extending out of the frame. The method further comprises removing at least a part of the redundant portion, and dispensing glue in a predetermined area of a surface of the mask plate, and curing the glue to form a colloid, wherein the colloid is higher than any other area on the surface of the mask plate where the colloid is not formed. The present disclosure further provides a mask plate assembly comprising a frame, and a mask plate secured to the frame, wherein a colloid is formed in a predetermined area of a surface of the mask plate, and the colloid is higher than any other area on the surface of the mask plate where the colloid is not formed. The present disclosure further provides an evaporation device and a method for manufacturing the display substrate.

公开(公告)号：US20150372257A1

公开(公告)日：2015-12-24

申请号：US14406684

申请日：2014-05-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Can ZHANG

IPC: H01L51/52 ,  H01L51/56

CPC classification number: H01L51/5275 ,  H01L51/56 ,  H01L2251/301 ,  H01L2251/303

Abstract: An organic light-emitting diode (OLED) display panel and manufacturing method thereof. The method of manufacturing the OLED display panel comprises forming an anode (2), an organic light-emitting layer (3), a cathode (4) and a first optical coupling layer (5) sequentially on a substrate (1), and forming a second optical coupling layer (6) on a side, away from the cathode (4), of the first optical coupling layer (5) by arranging a plurality of protrusion structures with arc-shaped surfaces. Light that would be totally reflected from a surface of the first optical coupling layer are transmitted out through the protrusion structures with the arc-shaped surfaces of the second optical coupling layer, therefore the total reflection of the light is reduced, the light extraction efficiency is increased, and the external quantum efficiency of the device is improved.

Abstract translation: 一种有机发光二极管（OLED）显示面板及其制造方法。 制造OLED显示面板的方法包括依次在基板（1）上形成阳极（2），有机发光层（3），阴极（4）和第一光耦合层（5），并形成 通过布置多个具有弧形表面的突出结构，在第一光耦合层（5）的远离阴极（4）的一侧上的第二光耦合层（6）。 将从第一光耦合层的表面全反射的光通过具有第二光耦合层的弧形表面的突出结构传出，因此光的全反射降低，光提取效率为 提高了器件的外部量子效率。

公开(公告)号：US20240395200A1

公开(公告)日：2024-11-28

申请号：US18267788

申请日：2022-07-29

Applicant: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD. ,  BOE Technology Group Co., Ltd.

Inventor： Ning CONG ,  Longfei FAN ,  Dachao LI ,  Can ZHANG ,  Minghua XUAN ,  Xiaochuan CHEN

IPC: G09G3/3233 ,  H10K59/12 ,  H10K59/121 ,  H10K59/131

Abstract: A display substrate, a manufacturing method thereof and a display apparatus are provided. The display substrate includes multiple sub-pixels, a sub-pixel includes a first region (q1), a gap region (q3) and a second region (q2); the sub-pixel includes a first transistor (T1) including first active layer (1) and first gate electrode (11), a second transistor (T2) including second active layer (2) and second gate electrode (12) and a third transistor (T3) including third active layer (3) and third gate electrode (13); the first active layer is disposed in the first region, the second active layer and the third active layer are disposed in the second region, and via holes through which the first gate electrode and the third gate electrode are connected to a scan signal line and a via hole through which the second gate electrode is connected to the first transistor are provided in the gap region.

公开(公告)号：US20240363599A1

公开(公告)日：2024-10-31

申请号：US18681521

申请日：2022-08-17

Applicant: BOE Technology Group Co., Ltd.

Inventor： Can WANG ,  Qi QI ,  Wei LI ,  Can ZHANG ,  Minghua XUAN ,  Jinfei NIU ,  Jingjing ZHANG

IPC: H01L25/075 ,  H01L21/683 ,  H01L33/00 ,  H01L33/06 ,  H01L33/42 ,  H01L33/44 ,  H01L33/50 ,  H01L33/52 ,  H01L33/58 ,  H01L33/62

CPC classification number: H01L25/0753 ,  H01L21/6835 ,  H01L33/0093 ,  H01L33/06 ,  H01L33/42 ,  H01L33/44 ,  H01L33/50 ,  H01L33/52 ,  H01L33/58 ,  H01L33/62 ,  H01L2221/68354 ,  H01L2221/68363 ,  H01L2221/68386 ,  H01L2933/0041 ,  H01L2933/005 ,  H01L2933/0058 ,  H01L2933/0066 ,  H01L2933/0091

Abstract: A method for preparing the display substrate includes: providing a first substrate, and forming a light emitting chip layer on the first substrate to form a first backplane, wherein the light emitting chip layer includes: light emitting chips arranged in array, which are configured to emit light of a first color and include N sub-pixels, and N is a positive integer greater than or equal to 1; providing a second substrate, and forming a drive circuit layer on the second substrate to form a second backplane, wherein the drive circuit layer includes: connection electrodes arranged in an array, and the light emitting chips correspond to the connection electrodes one-by-one; transferring the first backplane from which the first substrate is peeled off to the second backplane; forming an optical film layer on a side of the light emitting chip layer away from the second backplane.

公开(公告)号：US20220406243A1

公开(公告)日：2022-12-22

申请号：US17418808

申请日：2020-12-28

Applicant: Beijing BOE Display Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Ning CONG ,  Minghua XUAN ,  Can ZHANG ,  Ming YANG ,  Can WANG ,  Lijun YUAN

IPC: G09G3/32 ,  G09G3/3233

Abstract: The present disclosure provides a pixel circuit, a method for driving the same, a display substrate, and a display device, which belong to the field of display technologies. The pixel circuit includes a compensating circuit which can adjust an electric potential of a second control node (a gate of a transistor controlling conduction or non-conduction between a first connection node and a second connection node) based on an electric potential of a first control node, and adjust an electric potential of the second control node based on an electric potential of the second connection node. When the pixel circuit is driven, electric potential of each control signal can be controlled, such that influence of a threshold voltage of a transistor on an electric potential finally output to the second control node is relatively small, that is, influence of drifting of a threshold voltage on display uniformity is reduced. The display device according to the present disclosure achieves a good display effect.

公开(公告)号：US20220383800A1

公开(公告)日：2022-12-01

申请号：US17040988

申请日：2020-04-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ning CONG ,  Ming YANG ,  Han YUE ,  Can WANG ,  Can ZHANG ,  Jiao ZHAO ,  Minghua XUAN ,  Xiaochuan CHEN

IPC: G09G3/32

Abstract: The present disclosure discloses a pixel drive circuit and a display panel. The pixel drive circuit includes a Micro-LED, a cathode of which is grounded; a light-emitting control circuit connected with an anode of the Micro-LED and configured to control an emission time of the Micro-LED; a current control circuit connected with the light-emitting control circuit and configured to output a preset current to the light-emitting control circuit to control the Micro-LED to work under a set current density, and luminance efficiency of the Micro-LED under the set current density is greater than a set threshold value.