公开(公告)号：US20200379602A1

公开(公告)日：2020-12-03

申请号：US16600748

申请日：2019-10-14

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

Inventor： Yang Zeng ,  Feng Lu ,  Haochi Yu ,  Qing Zhang

IPC: G06F3/044 ,  G06F3/041 ,  G06K9/00

Abstract: Provided are a display panel and a display device. The display panel includes a fingerprint identification module, a light-blocking layer, a light-emitting device layer and a touch function layer which are sequentially stacked, where the light-blocking layer includes a plurality of imaging apertures; and the touch function layer includes a plurality of first touch areas and a plurality of second touch areas. The plurality of first touch areas do not overlap with imaging aperture identification areas, and the plurality of second touch areas overlap with at least one of the imaging aperture identification areas. Reflectivity of the second touch area is smaller than reflectivity of the first touch area; or transmittance of the second touch area is greater than transmittance of the first touch area; or light transmission uniformity of the second touch area is greater than light transmission uniformity of the first touch area.

公开(公告)号：US20200343477A1

公开(公告)日：2020-10-29

申请号：US16601196

申请日：2019-10-14

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

Inventor： Yang Zeng ,  Feng Lu ,  Haochi Yu ,  Xiaoyue Su

IPC: H01L51/52 ,  H01L51/50 ,  G06K9/00 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3275 ,  G06F1/16

Abstract: Provided are a display panel and a display device. The display panel includes a base substrate, drive circuits, a light-blocking layer, organic light-emitting units, and fingerprint recognition units. Via holes and imaging apertures are formed in the light-blocking layer. The via holes include first via holes in communication with the imaging apertures and second via holes. Each of the first organic light-emitting units includes a first anode, and each of the second organic light-emitting units includes a second anode. The first anode and the second anode are electrically connected to the drive circuits through the first via holes or through the second via holes. In a first direction, a distance between an edge of the first anode facing close to the imaging aperture and a center of the first via hole is smaller than a distance between an edge of the second anode and a center of the second via hole.

公开(公告)号：US10607058B2

公开(公告)日：2020-03-31

申请号：US16050002

申请日：2018-07-31

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

Inventor： Lihua Wang ,  Yang Zeng ,  Lingxiao Du ,  Qing Zhang ,  Haochi Yu

IPC: G06K9/00 ,  G09G3/3225

Abstract: Provided are a display panel and a display device. The display panel includes a display assembly and a fingerprint recognition assembly. The display assembly includes a base substrate, a plurality of pixel driving circuit units disposed on one side of the base substrate and at least two kinds of metal wires extending along a first direction, the plurality of pixel driving circuit units are arranged in a matrix along the first direction and a second direction, and a first gap region is formed between adjacent two of the plurality of pixel driving circuit units in the first direction. The display panel provided by the present disclosure provides the at least two kinds of metal wires to include a plurality of first type metal wires and a plurality of second type metal wires.

公开(公告)号：US20190303638A1

公开(公告)日：2019-10-03

申请号：US16130678

申请日：2018-09-13

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

Inventor： Yang Zeng ,  Lihua Wang ,  Haochi Yu ,  Qing Zhang ,  Lingxiao Du

IPC: G06K9/00 ,  G06F21/32 ,  G02F1/1333 ,  G06F3/0488

Abstract: Provided are a display panel and a display device. The display panel includes a display assembly, the display assembly includes an array substrate and a plurality of pixel units disposed on the array substrate; and a fingerprint recognition assembly, the fingerprint recognition assembly disposed on one side of the array substrate facing away from the plurality of pixel units, the fingerprint recognition assembly includes a first substrate and at least one fingerprint recognition unit disposed on the first substrate, the fingerprint recognition unit includes a photosensitive region. The array substrate includes a plurality of transparent regions and a plurality of non-transparent regions. Along a direction perpendicular to the array substrate, at least a portion of the plurality of transparent regions in the array substrate is covered by a photosensitive region of any one of the at least one fingerprint recognition units.

公开(公告)号：US20190294848A1

公开(公告)日：2019-09-26

申请号：US16130723

申请日：2018-09-13

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

Inventor： Yang Zeng ,  Lihua Wang ,  Haochi Yu ,  Qing Zhang ,  Lingxiao Du

IPC: G06K9/00 ,  G06F3/041 ,  H01L27/32

Abstract: Provided are a display panel and a display device. The display panel includes a display assembly, the display assembly includes an array substrate and a plurality of pixel units disposed on the array substrate; a fingerprint recognition assembly disposed on one side of the array substrate facing away from the plurality of pixel units, the fingerprint recognition assembly includes a first substrate and at least one fingerprint recognition unit disposed on the first substrate; and the array substrate includes a plurality of transparent regions and a plurality of non-transparent regions, the array substrate further includes a plurality of metal wires, a ratio of a line width of a portion of at least one of the metal wires disposed in at least one respective transparent region to a line width of a portion of the at least of the metal wires disposed in a respective non-transparent region is less than 1.

公开(公告)号：US11521419B2

公开(公告)日：2022-12-06

申请号：US16731072

申请日：2019-12-31

Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.

Inventor： Yang Zeng ,  Feng Lu ,  Haochi Yu ,  Xiaoyue Su

IPC: G06V40/13 ,  G09G3/3225 ,  G06V10/141 ,  G06V10/147 ,  H01L27/32

Abstract: A display device and a fingerprint recognition method are provided. The fingerprint recognition device includes at least two photosensitive regions receiving different colors of light, and the color of the light received by one photosensitive region corresponds to the emitted color of the light emitting sub-pixel in one color.

公开(公告)号：US11348359B2

公开(公告)日：2022-05-31

申请号：US16453994

申请日：2019-06-26

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

Inventor： Yang Zeng ,  Feng Lu ,  Haochi Yu ,  Qing Zhang

IPC: G06V10/147 ,  G06V40/13 ,  H01L27/146 ,  G02B5/30 ,  G06V10/141

Abstract: Display panel, display apparatus and method for fingerprint recognition are provided. The display panel includes a base layer, a light-emitting layer and a light-shielding layer having at least first and second imaging pinholes. The second imaging pinhole is disposed between two adjacent first imaging pinholes. The display panel further includes a light-sensitive fingerprint sensor layer and a fingerprint recognition light source generating first light during a first time period and second light during a second time period. The first light passes through the first imaging pinholes and the second imaging pinholes do not allow the first light to pass through, and the second light passes through the second imaging pinholes and the first imaging pinholes do not allow the second light to pass through.

公开(公告)号：US11271183B2

公开(公告)日：2022-03-08

申请号：US16601196

申请日：2019-10-14

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

Inventor： Yang Zeng ,  Feng Lu ,  Haochi Yu ,  Xiaoyue Su

IPC: H01L51/00 ,  H01L51/52 ,  G06F1/16 ,  G06K9/00 ,  G09G3/3266 ,  G09G3/3275 ,  H01L27/32 ,  H01L51/50

Abstract: Provided are a display panel and a display device. The display panel includes a base substrate, drive circuits, a light-blocking layer, organic light-emitting units, and fingerprint recognition units. Via holes and imaging apertures are formed in the light-blocking layer. The via holes include first via holes in communication with the imaging apertures and second via holes. Each of the first organic light-emitting units includes a first anode, and each of the second organic light-emitting units includes a second anode. The first anode and the second anode are electrically connected to the drive circuits through the first via holes or through the second via holes. In a first direction, a distance between an edge of the first anode facing close to the imaging aperture and a center of the first via hole is smaller than a distance between an edge of the second anode and a center of the second via hole.

公开(公告)号：US11133357B2

公开(公告)日：2021-09-28

申请号：US16541856

申请日：2019-08-15

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

Inventor： Yang Zeng ,  Feng Lu ,  Haochi Yu ,  Xiaoyue Su

IPC: H01L27/32 ,  G06K9/00 ,  H01L27/146

Abstract: Display panel and display device are provided. The display panel includes fingerprint recognition units, a substrate, drive circuits, and organic light-emitting units. A distance between two adjacent drive circuits in each drive circuit group is less than a distance between two adjacent drive circuits in two adjacent drive circuit groups along a first direction. The drive circuits from a first row to an i-th row is a first drive circuit, and the drive circuits from a j-th row to an M-th row is a second drive circuit. A first direction component, along the first direction, of each of vias that correspond to at least a portion of the first drive circuit pointing to a first corresponding electrically-connected anode, and a second direction component, along the first direction, of each of vias that correspond to at least a portion of the second drive circuit pointing to a second corresponding electrically-connected anode, are opposite components.

公开(公告)号：US11093092B2

公开(公告)日：2021-08-17

申请号：US16600748

申请日：2019-10-14

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

Inventor： Yang Zeng ,  Feng Lu ,  Haochi Yu ,  Qing Zhang

IPC: G06F3/044 ,  G06F3/041 ,  G06K9/00

Abstract: Provided are a display panel and a display device. The display panel includes a fingerprint identification module, a light-blocking layer, a light-emitting device layer and a touch function layer which are sequentially stacked, where the light-blocking layer includes a plurality of imaging apertures; and the touch function layer includes a plurality of first touch areas and a plurality of second touch areas. The plurality of first touch areas do not overlap with imaging aperture identification areas, and the plurality of second touch areas overlap with at least one of the imaging aperture identification areas. Reflectivity of the second touch area is smaller than reflectivity of the first touch area; or transmittance of the second touch area is greater than transmittance of the first touch area; or light transmission uniformity of the second touch area is greater than light transmission uniformity of the first touch area.