Processing

Please wait...

Settings

Settings

Goto Application

1. US20210065618 - LED DISPLAY DEVICE

Office
United States of America
Application Number 16961761
Application Date 13.12.2019
Publication Number 20210065618
Publication Date 04.03.2021
Publication Kind A1
IPC
G09G 3/32
GPHYSICS
09EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
3Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
20for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
22using controlled light sources
30using electroluminescent panels
32semiconductive, e.g. using light-emitting diodes
H01L 25/075
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
25Assemblies consisting of a plurality of individual semiconductor or other solid state devices
03all the devices being of a type provided for in the same subgroup of groups H01L27/-H01L51/128
04the devices not having separate containers
075the devices being of a type provided for in group H01L33/78
H01L 33/62
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
33Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
48characterised by the semiconductor body packages
62Arrangements for conducting electric current to or from the semiconductor body, e.g. leadframe, wire-bond or solder balls
CPC
G09G 2300/0452
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
2300Aspects of the constitution of display devices
04Structural and physical details of display devices
0439Pixel structures
0452Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
G09G 3/32
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
3Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
20for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix ; no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
22using controlled light sources
30using electroluminescent panels
32semiconductive, e.g. using light-emitting diodes [LED]
H01L 33/62
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
33Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
48characterised by the semiconductor body packages
62Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
H01L 25/0753
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
25Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; ; Multistep manufacturing processes thereof
03all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L51/00, e.g. assemblies of rectifier diodes
04the devices not having separate containers
075the devices being of a type provided for in group H01L33/00
0753the devices being arranged next to each other
Applicants BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.

BOE TECHNOLOGY GROUP CO., LTD.
Inventors Pengjun CAO
Ming ZHAI
Pei LI
Zhiyuan WANG
Jinpeng LI
Dan LI
Jian LI
Teng ZHANG
Title
(EN) LED DISPLAY DEVICE
Abstract
(EN)

The present disclosure provides a LED display device, which includes: a LED display substrate and a driving substrate opposite to each other, the LED display substrate includes: a base and a plurality of LED chips located on a side of the base distal to the driving substrate; the driving substrate includes: a PCB and a driving control element located on the PCB, and the driving control element is electrically coupled to the LED chips through a plurality of first signal wires for providing driving signals for the LED chips.

Related patent documents