公开(公告)号：US11705440B2

公开(公告)日：2023-07-18

申请号：US17224053

申请日：2021-04-06

Applicant: PlayNitride Inc.

Inventor： Kuan-Yung Liao ,  Ching-Liang Lin ,  Yun-Li Li ,  Yu-Chu Li

IPC: H01L25/07 ,  H01L25/075 ,  H01L33/62 ,  H01L25/16

CPC classification number: H01L25/0753 ,  H01L25/167 ,  H01L33/62

Abstract: A micro LED display panel includes a driving substrate and a plurality of micro light emitting diodes (LEDs). The driving substrate has a plurality of pixel regions. Each of the pixel regions includes a plurality of sub-pixel regions. The micro LEDs are located on the driving substrate. At least one of the sub-pixel regions is provided with two micro LEDs of the micro LEDs electrically connected in series, and a dominant wavelength of the two micro LEDs is within a wavelength range of a specific color light. In a repaired sub-pixel region of the sub-pixel regions, only one of the two micro LEDs emits light. In a normal sub-pixel region of the sub-pixel regions, both of the two micro LEDs emit light.

公开(公告)号：US10832610B2

公开(公告)日：2020-11-10

申请号：US16388628

申请日：2019-04-18

Applicant: PLAYNITRIDE INC.

Inventor： Pei-Hsin Chen ,  Yi-Ching Chen ,  Yi-Chun Shih ,  Yu-Chu Li ,  Ying-Tsang Liu

IPC: H01L27/15 ,  G09G3/20 ,  G09G3/32 ,  G06F3/041

Abstract: A display panel of micro light emitting diode comprises a substrate, a plurality of micro light emitting diodes, a plurality of driving chips and a shading layer. The substrate having a first surface and a display area. The plurality of micro light emitting diodes is disposed on the first surface of the substrate and is located in the display area, with each of the micro light emitting diodes having a light emitting surface while the light emitting surface is away from the first surface of the substrate. The plurality of driving chips is disposed on the first surface of the substrate and is located in the display area, with each driving chip electrically connecting to at least one of the micro light emitting diodes. The shading layer is disposed on the first surface of the substrate and covering the driving chips while exposing the light emitting surfaces.

公开(公告)号：US20190131282A1

公开(公告)日：2019-05-02

申请号：US16164816

申请日：2018-10-19

Applicant: PlayNitride Inc.

Inventor： Ying-Tsang Liu ,  Yu-Chu Li ,  Pei-Hsin Chen ,  Yi-Ching Chen

IPC: H01L25/075 ,  H01L33/62 ,  H01L33/38 ,  H01L23/00 ,  H01L25/16

Abstract: A micro-LED display panel including a substrate, an anisotropic conductive film, and a plurality of micro-LEDs is provided. The anisotropic conductive film is disposed on the substrate. The micro-LEDs and the anisotropic conductive film are disposed at the same side of the substrate, and the micro-LEDs are electrically connected to the substrate through the anisotropic conductive film. Each of the micro-LEDs includes an epitaxial layer and an electrode layer electrically connected to the epitaxial layer, and the electrode layers comprises a first electrode and a second electrode which are located between the substrate and the corresponding epitaxial layer. A ratio of a thickness of each of the electrode layers to a thickness of the corresponding epitaxial layer ranges from 0.1 to 0.5, and a gap between the first electrode and the second electrode of each of the micro-LEDs is in a range of 1 μm to 30 μm.

公开(公告)号：US09583450B2

公开(公告)日：2017-02-28

申请号：US14886567

申请日：2015-10-19

Applicant: PLAYNITRIDE INC.

Inventor： Yu-Chu Li ,  Yu-Hung Lai ,  Tzu-Yang Lin

IPC: H01L21/00 ,  H01L23/00

CPC classification number: H01L24/00 ,  H01L21/6835 ,  H01L21/6836 ,  H01L24/83 ,  H01L24/95 ,  H01L24/97 ,  H01L2221/68354 ,  H01L2221/68363 ,  H01L2221/68381 ,  H01L2224/29124 ,  H01L2224/29144 ,  H01L2224/83005 ,  H01L2224/83097 ,  H01L2224/83191 ,  H01L2224/83192 ,  H01L2224/83193 ,  H01L2224/95001 ,  H01L2224/951 ,  H01L2224/95136 ,  H01L2224/97 ,  H01L2933/0033 ,  H01L2224/83 ,  H01L2924/0105 ,  H01L2924/01049

Abstract: A method for transferring light-emitting elements onto a package substrate includes: providing a light-emitting unit including a supporting substrate and a plurality of light-emitting elements, each of the light-emitting elements being removably connected to the supporting substrate and having a surface opposite to the supporting substrate; disposing the light-emitting unit spacingly above a package substrate in such a manner that the surface of each of the light-emitting elements faces the package substrate; and disconnecting the light-emitting elements from the supporting substrate to allow the light-emitting elements to fall onto the package substrate by gravity, so as to connect the light-emitting elements with the package substrate in a non-contact transferring method.

Abstract translation: 将发光元件转印到封装基板上的方法包括：提供包括支撑基板和多个发光元件的发光单元，每个发光元件可移除地连接到支撑基板，并且具有 表面与支撑基板相对; 以这样的方式将发光单元间隔地设置在封装基板上，使得每个发光元件的表面面向封装基板; 并且将发光元件从支撑基板上断开以允许发光元件通过重力落在封装基板上，从而以非接触转印方法将发光元件与封装基板连接。

公开(公告)号：US20160181469A1

公开(公告)日：2016-06-23

申请号：US14941681

申请日：2015-11-16

Applicant: PlayNitride Inc.

Inventor： Shen-Jie Wang ,  Yu-Chu Li ,  Ching-Liang Lin

IPC: H01L33/00 ,  H01L33/32 ,  H01L33/12

CPC classification number: H01L33/325 ,  H01L33/007 ,  H01L33/04 ,  H01L33/12

Abstract: A semiconductor light-emitting device including a first N-type semiconductor layer, a P-type semiconductor layer, and a light-emitting layer is provided. The first N-type semiconductor layer contains aluminum, and the concentration of the N-type dopant thereof is greater than or equal to 5×1018 atoms/cm3. The light-emitting layer is disposed between the first N-type semiconductor layer and the P-type semiconductor layer. A manufacturing method of a semiconductor light-emitting device is also provided.

Abstract translation: 提供了包括第一N型半导体层，P型半导体层和发光层的半导体发光器件。 第一N型半导体层含有铝，其N型掺杂剂的浓度大于或等于5×1018原子/ cm3。 发光层设置在第一N型半导体层和P型半导体层之间。 还提供了一种半导体发光器件的制造方法。

公开(公告)号：US11302679B2

公开(公告)日：2022-04-12

申请号：US16990998

申请日：2020-08-11

Applicant: PlayNitride Inc.

Inventor： Ying-Tsang Liu ,  Yu-Chu Li ,  Pei-Hsin Chen ,  Yi-Ching Chen

IPC: H01L25/16 ,  H01L25/075 ,  H01L23/00 ,  H01L33/62 ,  H01L33/38 ,  H01L33/00

Abstract: A micro-LED display panel including a substrate, an anisotropic conductive film, and a plurality of micro-LEDs is provided. The anisotropic conductive film is disposed on the substrate. The micro-LEDs and the anisotropic conductive film are disposed at the same side of the substrate, and the micro-LEDs are electrically connected to the substrate through the anisotropic conductive film. Each of the micro-LEDs includes an epitaxial layer and an electrode layer electrically connected to the epitaxial layer, and the electrode layers comprises a first electrode and a second electrode which are located between the substrate and the corresponding epitaxial layer. A ratio of a thickness of each of the electrode layers to a thickness of the corresponding epitaxial layer ranges from 0.1 to 0.5, and a gap between the first electrode and the second electrode of each of the micro-LEDs is in a range of 1 μm to 30 μm.

公开(公告)号：US20210097929A1

公开(公告)日：2021-04-01

申请号：US16988717

申请日：2020-08-10

Applicant: PlayNitride Inc.

Inventor： Yu-Chu Li

IPC: G09G3/32 ,  H01L25/16 ,  G09G3/20

Abstract: A micro light emitting diode display panel including a plurality of pixels and a control element is provided. One of the pixels include a first sub-pixel. The first sub-pixel includes two micro light emitting diodes having different light wavelengths and controlled independently. The control element controls driving currents to the two micro light emitting diodes according to a gray level of the first sub-pixel, wherein a ratio of the driving current of the micro light emitting diode with larger light wavelength to the driving current of the micro light emitting diode with smaller light wavelength increases as the gray level of the first sub-pixel increases. A driving method of the micro light emitting diode display panel is also provided.

公开(公告)号：US09741898B2

公开(公告)日：2017-08-22

申请号：US15175789

申请日：2016-06-07

Applicant: PlayNitride Inc.

Inventor： Shen-Jie Wang ,  Yu-Chu Li ,  Ching-Liang Lin

IPC: H01L29/06 ,  H01L31/00 ,  H01L33/12 ,  H01L33/04 ,  H01L33/32

CPC classification number: H01L33/12 ,  H01L33/04 ,  H01L33/06 ,  H01L33/32

Abstract: A semiconductor light emitting device including an N-type semiconductor layer, a P-type semiconductor layer, a light emitting layer and a strain relief layer is provided. The light emitting layer is disposed between the N-type semiconductor layer and the P-type semiconductor layer, and the light emitting layer is a multiple quantum well structure. The strain relief layer is disposed between the light emitting layer and the N-type semiconductor layer, and is made of InxGa1-xN, where 0

公开(公告)号：US11289463B2

公开(公告)日：2022-03-29

申请号：US17001632

申请日：2020-08-24

Applicant: PlayNitride Inc.

Inventor： Pei-Hsin Chen ,  Yi-Ching Chen ,  Yi-Chun Shih ,  Yu-Chu Li ,  Ying-Tsang Liu ,  Chih-Chiang Lu ,  Gwo-Jiun Sheu ,  Po-Jen Su

IPC: H01L25/13 ,  H01L33/58

Abstract: A display panel includes a first substrate, a plurality of first color micro light emitting diodes (LEDs), a plurality of second color LEDs and a shading layer. The first substrate has a plurality of pixel zones arranged in an array form. Each of the first color LEDs has a first light emitting surface facing to a display direction. Each of the second color LEDs has a second light emitting surface facing to the display direction. Each of the pixel zones is provided with one of the first color micro LEDs and one of the second color LEDs. The shading layer is disposed in the pixel zones. The shading layer overlaps part of the first light emitting surface and part of the second light emitting surface in the display direction.

公开(公告)号：US11289012B2

公开(公告)日：2022-03-29

申请号：US16988717

申请日：2020-08-10

Applicant: PlayNitride Inc.

Inventor： Yu-Chu Li

IPC: G09G3/32 ,  H01L25/16 ,  G09G3/20 ,  H01L33/38

Abstract: A micro light emitting diode display panel including a plurality of pixels and a control element is provided. One of the pixels include a first sub-pixel. The first sub-pixel includes two micro light emitting diodes having different light wavelengths and controlled independently. The control element controls driving currents to the two micro light emitting diodes according to a gray level of the first sub-pixel, wherein a ratio of the driving current of the micro light emitting diode with larger light wavelength to the driving current of the micro light emitting diode with smaller light wavelength increases as the gray level of the first sub-pixel increases. A driving method of the micro light emitting diode display panel is also provided.