Japan, Feb. 24 -- LG DISPLAY CO LTD has got intellectual property rights for 'ELECTROLUMINESCENT DISPLAY DEVICE.' Other related details are as follows:
Application Number: JP,2025-006908
Category (FI): G09F9/30,338,G09F9/30,349@Z,G09F9/30,365,G09F9/30,349@B,G09F9/30,348@A,H10K71/13,H05B33/12@B,H10K59/38,H10K50/19,H10K59/122
Stage: PROBLEM TO BE SOLVED: To provide an electroluminescent display device which is fabricated by a solution process and furthermore enables prevention of flowing of a light emission stack of any one subpixel to another subpixel.SOLUTION: The present disclosure provides an electroluminescent display device including: a substrate including a first subpixel and a second subpixel which are arranged in a first direction; first electrodes which are provided in the first subpixel and the second subpixel, respectively; a bank which is provided in a boundary between the first subpixel and the second subpixel on the substrate; light emission stacks which are provided on the first electrode and the bank, respectively; and a second electrode which is provided in the light emission stack. The bank includes a first bank and a second bank provided in the first bank. The light emission stack is provided in a first layer provided in each of the first subpixel and the second subpixel, and on the first layer, and includes a second layer continuous to the second subpixel from the first subpixel. The first bank is provided on a lower side of the second layer, and the second bank is provided on the second layer.SELECTED DRAWING: Figure 2 (Grant)
Filing Date: Jan. 17, 2025
Publication Date: April 10, 2025
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication.