公开(公告)号：US12035573B2

公开(公告)日：2024-07-09

申请号：US18073393

申请日：2022-12-01

Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD. ,  Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch

Inventor： Guofeng Zhang ,  Junqiang Wang ,  Jiaxin Li ,  Quanpeng Yu

IPC: H10K59/12 ,  H10K50/84 ,  H10K50/844 ,  H10K50/85 ,  H10K50/858 ,  H10K50/86 ,  H10K59/122 ,  H10K59/38 ,  H10K59/40 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1362 ,  H01L27/146 ,  H01L33/22 ,  H01L33/24 ,  H10K102/00

CPC classification number: H10K59/122 ,  H10K50/844 ,  H10K50/858 ,  H10K50/865 ,  H10K59/38 ,  H10K59/40 ,  G02F1/133331 ,  G02F1/133512 ,  G02F1/136209 ,  H01L27/14678 ,  H01L33/22 ,  H01L33/24 ,  H10K2102/00 ,  H10K2102/311

Abstract: An organic light-emitting display panel has a display area and a non-display area and includes a base substrate, an organic light-emitting layer arranged at a side of the base substrate and including a plurality of light-emitting units, a pixel definition layer including a plurality of first openings, and a microlens layer arranged at a side of the pixel definition layer facing away from the base substrate and including at least one first sub-microlens. One light-emitting unit of the plurality of light-emitting units is located in one of the plurality of first openings. One first sub-microlens of the at least one first sub-microlens protrudes along a direction from the base substrate to the microlens layer. An orthogonal projection of one first sub-microlens of the at least one first sub-microlens on the base substrate overlaps with an orthogonal projection of the pixel definition layer on the base substrate.

公开(公告)号：US11545530B2

公开(公告)日：2023-01-03

申请号：US16941386

申请日：2020-07-28

Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD. ,  WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH

Inventor： Guofeng Zhang ,  Junqiang Wang ,  Jiaxin Li ,  Quanpeng Yu

IPC: H01L27/14 ,  H01L27/32 ,  H01L51/52 ,  H01L33/22 ,  H01L33/24 ,  G02F1/13 ,  H01L27/146 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1362

Abstract: An organic light-emitting display panel having a display area and a non-display area surrounding the display area and includes a base substrate, an organic light-emitting layer, a pixel definition layer, and a microlens layer that are located in the display area is disclosed. The organic light-emitting layer is located at a side of the base substrate and includes light-emitting units. The pixel definition layer includes first openings, and each light-emitting unit is located in one of the first openings. The microlens layer is located at a side of the pixel definition layer facing away from the base substrate and includes at least one first microlens. An orthogonal projection of the first microlens on the base substrate is located between orthogonal projections of two adjacent first openings on the base substrate.

公开(公告)号：US11374069B2

公开(公告)日：2022-06-28

申请号：US16858763

申请日：2020-04-27

Applicant: WuHan TianMa Micro-Electronics Co., Ltd.

Inventor： Junqiang Wang ,  Guofeng Zhang

IPC: H01L27/32 ,  H01L51/52

Abstract: Provided are a display panel, a driving method thereof and a display device. The display panel includes a substrate, a pixel unit layer and an electrochromic layer. The pixel unit layer includes multiple pixel units arranged in an array and each pixel unit includes a main pixel region and a sub-pixel region. Along a direction facing away from the substrate, the main pixel region includes a first electrode, an organic light-emitting layer and a second electrode, and the sub-pixel region includes a third electrode and a fourth electrode. The first electrode is disposed in the same layer as the third electrode, the second electrode is disposed in the same layer as the fourth electrode, and the main pixel region is insulated from the sub-pixel region. The electrochromic layer is disposed on one side of the pixel unit layer facing away from the substrate.

公开(公告)号：US11335741B2

公开(公告)日：2022-05-17

申请号：US16853698

申请日：2020-04-20

Applicant: WuHan TianMa Micro-Electronics Co., Ltd.

Inventor： Guofeng Zhang ,  Junqiang Wang

IPC: H01L27/32 ,  G02F1/01 ,  H01L51/52

Abstract: Provided are a display panel and display device. The display panel includes a first display region and a second display region adjacent to the first display region. The second display region includes multiple first light-emitting elements, the first light-emitting element includes a first electrode, a second electrode and a light-emitting layer located between the first electrode and the second electrode, a direction from the light-emitting layer to the first electrode is a light exit direction of the display panel, the second electrode includes a photochromic layer, the photochromic layer includes a photochromic material, the second electrode includes a first state and a second state, and a light transmittance of the second electrode in the first state is greater than a light transmittance of the second electrode in the second state.

公开(公告)号：US11322568B2

公开(公告)日：2022-05-03

申请号：US16887597

申请日：2020-05-29

Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.

Inventor： Junqiang Wang

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

Abstract: Provided are a display panel and a display device having a micro-cavity structure with transflective layers. The display panel includes a first display region, a second display region, a base substrate, a thin film transistor array layer and a pixel definition layer. A pixel density of the first display region is greater than a pixel density of the second display region. The thin film transistor array layer is disposed on a side of the base substrate. The pixel definition layer is disposed on a side of the thin film transistor array layer facing away from the base substrate and includes multiple openings. The second display region includes multiple light emitting regions and multiple light transparent regions. A part of the openings of the pixel definition layer form the light emitting regions. At least one micro-cavity structure is arranged in each of the multiple light transparent regions.

公开(公告)号：US11238799B2

公开(公告)日：2022-02-01

申请号：US16728892

申请日：2019-12-27

Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.

Inventor： Shucheng Ge ,  Guofeng Zhang ,  Junqiang Wang ,  Yong Yuan

IPC: G06F3/038 ,  G09G3/3258 ,  G09G3/3291 ,  G09G5/10

Abstract: A display panel includes a first display region and a second display region; the first display region includes first sub-pixels provided with first pixel density; and the second display region includes second sub-pixels provided with second pixel density, where the first pixel density is lower than the second pixel density. During one frame of picture display, a light-emitting phase of the first sub-pixel includes a first light-emitting period, and a light-emitting phase of the second sub-pixel includes a second light-emitting period; for same target brightness, the first sub-pixel emits light with first light-emitting brightness in the first light-emitting period, and the second sub-pixel emits light with second light-emitting brightness in the second light-emitting period, where the first light-emitting brightness is higher than the second light-emitting brightness; and the first light-emitting period is shorter than the second light-emitting period.

公开(公告)号：US12245484B2

公开(公告)日：2025-03-04

申请号：US17450929

申请日：2021-10-14

Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.

Inventor： Junqiang Wang

IPC: H10K59/80 ,  H10K59/35

Abstract: Display module and display device are provided. The display module includes a display panel, first dimming areas and a second dimming areas. The display panel includes a display array including a plurality of sub-pixels with pixel gaps between adjacent sub-pixels. Both a first dimming area and a second dimming area include at least one of the plurality of sub-pixels. The first dimming area includes a first dimming layer with a refractive index of n1, a second dimming layer with a refractive index of n2. A contact interface between the first dimming layer and the second dimming layer includes a first dimming structure. The second dimming area includes a third dimming layer with a refractive index of n3, and a fourth dimming layer with a refractive index of n4. A contact interface between the third dimming layer and the fourth dimming layer includes a second dimming structure.

公开(公告)号：US11758770B2

公开(公告)日：2023-09-12

申请号：US17216958

申请日：2021-03-30

Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.

Inventor： Guofeng Zhang ,  Junqiang Wang

IPC: H10K59/123 ,  H10K59/40 ,  H10K59/131 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K59/123 ,  H10K59/1315 ,  H10K59/40 ,  H10K71/00 ,  H10K59/1201

Abstract: The present disclosure provides a display panel having a first display area and a second display area, the display panel including: a substrate; a driving device layer on a side of the substrate, including transistors; a first electrode layer in the first display area and on a side of the driving device layer away from the substrate, including first electrodes; a first transparent part in the first display area and between the driving device layer and the first electrode layer, including first padding layers, which are electrically connected to the transistors; and a second transparent part in the first display area and between the first transparent part and the first electrodes, including second padding layers for connecting to the first padding layers, that the transistors transmit signals to the first electrodes through the first padding layers and the second padding layers.

公开(公告)号：US11264431B2

公开(公告)日：2022-03-01

申请号：US16818901

申请日：2020-03-13

Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.

Inventor： Guofeng Zhang ,  Junqiang Wang

IPC: H01L27/32

Abstract: A display panel includes a display region that includes a normal display region and a transparent display region. The normal display region and the transparent display region are connected. The transparent display region includes multiple transparent areas and multiple pixels. The transparent areas have the same shape. For two adjacent transparent areas, a shape of one transparent area has a different placement angle than a shape of another transparent area.

公开(公告)号：US11164914B2

公开(公告)日：2021-11-02

申请号：US16729533

申请日：2019-12-30

Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.

Inventor： Guofeng Zhang ,  Junqiang Wang

IPC: H01L29/08 ,  H01L27/32 ,  H01L51/00 ,  H01L51/52 ,  H01L51/56 ,  H01L51/50

Abstract: A display panel includes a display area, and the display area includes a first display area and a second display area; the first display area and the second display area each include light-emitting areas, and the second display area further includes light transmissive areas. The manufacturing method includes forming, on a side of a substrate, a light-to-heat conversion layer covering at least a second display area; forming, on a side of the light-to-heat conversion layer facing away from the substrate, a light-emitting functional layer and a second electrode layer each covering the display area, where portions of the second electrode layer which are located in at least adjacent two light-emitting areas are connected; and removing, in at least part of the plurality of light transmissive areas, the light-to-heat conversion layer and all film layers located on a side of the light-to-heat conversion layer facing away from the substrate.