公开(公告)号：US20220384542A1

公开(公告)日：2022-12-01

申请号：US17043719

申请日：2020-03-31

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guoying WANG ,  Zhen SONG

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52

Abstract: The present invention provides a display panel, a manufacturing method thereof and a display apparatus. The display panel includes a substrate, a light-emitting element, and a pixel defining layer. The light-emitting element includes a cathode, an anode and a light-emitting layer, the pixel defining layer defines a plurality of openings, the light-emitting layer is disposed in the openings and covers a predetermined area on a side of the pixel defining layer facing towards the openings, and hydrophilicity of the pixel defining layer at each position of the predetermined area is substantially identical.

公开(公告)号：US20210359247A1

公开(公告)日：2021-11-18

申请号：US16330518

申请日：2018-03-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying WANG ,  Zhen SONG

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/00 ,  H01L51/56

Abstract: The present application discloses an organic light emitting diode array substrate having a subpixel region and an inter-subpixel region. The organic light emitting diode array substrate in the inter-subpixel region includes a first base substrate; a pixel definition layer on the first base substrate for defining a plurality of subpixels; a spacer layer on a side of the pixel definition layer distal to the first base substrate; an auxiliary electrode layer on a side of the spacer layer distal to the pixel definition layer; and a second electrode layer on a side of the auxiliary electrode layer distal to the spacer layer and is electrically connected to the auxiliary electrode layer.

公开(公告)号：US20200335554A1

公开(公告)日：2020-10-22

申请号：US16759832

申请日：2019-06-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying WANG ,  Zhen SONG

IPC: H01L27/32

Abstract: An optical sensor device, a method for fabricating the same, and a display device are disclosed. The optical sensor device includes a display region and a non-display region. In the display region, the optical sensor device includes a thin film transistor, including an active layer, a gate insulating layer, a gate layer, a source and drain layer, and an interlayer dielectric layer. In the non-display region, the optical sensor device includes a first insulating layer, a conductive layer and a second insulating layer which are stacked sequentially. The conductive layer is arranged in a same layer as the source and drain layer or the gate layer. In the non-display region, the first insulating layer is provided with a first through-hole, and the optical sensor device further includes a photo-sensitive device in the first through-hole.

公开(公告)号：US20200251537A1

公开(公告)日：2020-08-06

申请号：US16652039

申请日：2019-05-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying WANG ,  Zhen SONG ,  Yicheng LIN ,  Ling WANG ,  Cuili GAI ,  Pan XU

IPC: H01L27/32 ,  H01L27/12 ,  H01L51/56 ,  H01L51/52

Abstract: The present disclosure provides an optical sensor, a manufacturing method thereof, a display device, and a display apparatus, and relates to the display technology. The optical sensor includes a thin film transistor and a PIN diode on a surface of a drain of the thin film transistor. A material of a P region of the PIN diode, a material of an I region of the PIN diode, and a material of an N region of the PIN diode are oxides. Since the PIN diode is made of oxides rather than amorphous silicon, hydrogen is not introduced. Therefore, the performance of the thin film transistor will not be affected, thereby achieving the improvement of the performance of the display device and the display effect.

公开(公告)号：US20190288118A1

公开(公告)日：2019-09-19

申请号：US16097327

申请日：2018-03-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhen SONG ,  Guoying WANG

IPC: H01L29/786 ,  H01L29/66 ,  H01L29/788 ,  H01L27/32

Abstract: A thin-film transistor and a manufacturing method thereof, a display substrate and a display device are disclosed. The thin-film transistor includes a control gate, a floating gate, an injection layer, an active layer, a gate electrode, and a source electrode and a drain electrode, which are provided on the base substrate, in which the source electrode and the drain electrode are opposite to each other and electrically connected to the active layer. The injection layer is provided between the floating gate and the active layer; the active layer is provided between the control gate and the gate electrode; and the floating gate is provided between the control gate and the active layer.

公开(公告)号：US20210391402A1

公开(公告)日：2021-12-16

申请号：US17288571

申请日：2020-08-03

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhen SONG ,  Guoying WANG

IPC: H01L27/32

Abstract: A display substrate, includes a plurality of subpixels arranged in a matrix. Each subpixel is provided with a pixel driver circuit that includes a plurality of thin film transistors and a storage capacitor. The storage capacitor of a present subpixel among the plurality of subpixels and the storage capacitor of an adjacent subpixel adjacent to the current subpixel are disposed in a shared capacitance region of the present subpixel and the adjacent subpixel, and the storage capacitor of the present subpixel and the storage capacitor of the adjacent subpixel are stacked.

公开(公告)号：US20210328183A1

公开(公告)日：2021-10-21

申请号：US16764885

申请日：2019-12-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hongda SUN ,  Youngsuk SONG ,  Fengjuan LIU ,  Zhen SONG

IPC: H01L51/52 ,  H01L51/56 ,  H01L27/32

Abstract: A display substrate panel includes a substrate and multiple OLED elements disposed on the substrate, and further includes a thin film encapsulation layer disposed on the OLED elements and a light blocking layer disposed on the thin film encapsulation layer and located between two adjacent OLED elements. A display panel includes the above display substrate panel and a cover panel which is aligned and combined into a cell with the display substrate panel, wherein the cover panel includes a color film layer, and the color film layer has a red color film, a green color film and a blue color film which are disposed to correspond to the OLED elements.

公开(公告)号：US20210135147A1

公开(公告)日：2021-05-06

申请号：US16640047

申请日：2019-09-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying WANG ,  Zhen SONG

IPC: H01L51/52 ,  H01L51/56

Abstract: A display panel is provided, the display panel including a back plate, a cover plate, a first spacer, and a second spacer, wherein the back plate has a first surface, the cover plate is disposed opposite the back plate and has a second surface opposite the first surface, the first spacer protrudes from an edge of the first surface and has a closed structure, a first connecting end, and a first free end, the first connecting end connected to the back plate, and the first free end extending away from the back plate, the second spacer protrudes from an edge of the second surface and has a closed structure, a second connecting end, and a second free end, the second connecting end connected to the cover plate, and the second free end extending away from the cover plate, and the first free end presses against the second free end.

公开(公告)号：US20200044000A1

公开(公告)日：2020-02-06

申请号：US16429265

申请日：2019-06-03

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhen SONG ,  Guoying WANG ,  Jiangbo CHEN

IPC: H01L27/32 ,  H01L27/12 ,  H01L51/52

Abstract: The disclosure discloses a display substrate, a method for fabricating the same, and a display device. The display substrate includes: a light-shielding metal layer pattern on a base substrate; a photo-sensitive sensing element layer on the light-shielding metal layer pattern, wherein an orthographic projection of the photo-sensitive sensing element layer onto the base substrate lies in an overlapping area of orthographic projections of the light-shielding metal layer pattern and the sub-pixel areas onto the base substrate; a buffer layer on the photo-sensitive sensing element layer; and a compensation control TFT and a signal line on the buffer layer, wherein a source electrode of the compensation control TFT is electrically connected with the light-shielding metal layer pattern, and the signal line is electrically connected with the photo-sensitive sensing element layer.

公开(公告)号：US20200027938A1

公开(公告)日：2020-01-23

申请号：US16338125

申请日：2018-07-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhen SONG ,  Guoying WANG

IPC: H01L27/32

Abstract: A pixel circuit includes a substrate, and a first thin film transistor and a second transistor which are disposed on the substrate. The first thin film transistor is in a top-gate structure, and the second thin film transistor is in a bottom-gate structure; a first electrode of the first thin film transistor is electrically connected with a gate electrode of the second thin film transistor, and the first electrode of the first thin film transistor and the gate electrode of the second thin film transistor are in a same layer on the substrate. The pixel circuit can have a relatively high switch speed and a relatively large driving current, a manufacturing method is easily realized and a process cost is relatively low.