LED DISPLAY UNIT GROUP AND DISPLAY PANEL

• Main Authors: FAN, Kailiang, LIU, Chuanbiao, GU, Feng, QIN, Kuai
• Format: Patent
• Language: Chinese; English; French
• Published: 02.04.2020
• Subjects: ADVERTISING; BASIC ELECTRIC ELEMENTS; CRYPTOGRAPHY; DISPLAY; DISPLAYING; EDUCATION; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; LABELS OR NAME-PLATES; PHYSICS; SEALS; SEMICONDUCTOR DEVICES; SIGNS

Disclosed is an LED display unit group, comprising an insulation substrate (100), a front circuit board (200) and a back circuit board (300), wherein the insulation substrate (100) is provided with a metal via hole for connecting the front circuit board (200) and the back circuit board (300); the front circuit board (200) is divided into pixel areas (P) arranged in an array of 2m rows and 2n columns; each pixel area (P) comprises three A electrode pads (201, 202, 203), three LED light-emitting chips (101, 102, 103) of different light emission colours, and a B electrode pad (205) corresponding to the three LED light-emitting chips (101, 102, 103) of different light emission colours; in each pixel area (P), an electrode A of each of the three LED light-emitting chips (101, 102, 103) is electrically connected to the corresponding A electrode pad (201, 202, 203); an electrode B of each of the three LED light-emitting chips (101, 102, 103) is electrically connected to the corresponding B electrode pad (205); in th