US 2024/0407205 A1 · DISPLAY APPARATUS COMPRISING OVERLAPPED PIXEL DRIVING CIRCUITS

Abstract

A display apparatus includes a first pixel driving circuit, an electric field blocking layer on the first pixel driving circuit, a second pixel driving circuit on the electric field blocking layer, and a first display element and a second display element on the second pixel driving circuit, wherein each of the first pixel driving circuit and the second pixel driving circuit includes at least one thin film transistor, the first pixel driving circuit overlaps the second pixel driving circuit, the first display element is connected with the first pixel driving circuit, and the second display element is connected with the second pixel driving circuit.

Claims20

Dependent claims

A display apparatus comprising:

a first pixel driving circuit;
an electric field blocking layer disposed on the first pixel driving circuit;
a second pixel driving circuit disposed on the electric field blocking layer;
a first display element and a second display element disposed on the second pixel driving circuit;
a bank layer defining a light emission area of the first display element and a light emission area of the second display element,
a first connection portion connecting the first display element and the first pixel driving circuit;
and
a second connection portion connecting the second display element and the second pixel driving circuit,
wherein at least one of the first connection portion and the second connection portion overlaps the bank layer.

6 more elements

Dependencies are inferred from the claim text.

Facts

Application

18/802,649Filed 13 Aug 2024

Priority

KR 10-2020-018893831 Dec 2020

Published

5 Dec 2024

Term ends

Not estimatedThe source records don’t support an estimate.

Classification11 codes

G09G 3/3233
Using an active matrix: with pixel circuitry controlling the current through the light-emitting element
H10K 59/126
Active-matrix OLED [AMOLED] displays: shielding, e.g. light-blocking means over the TFTs
H10K 59/122
Active-matrix OLED [AMOLED] displays: pixel-defining structures or layers, e.g. banks
H10K 59/131
Active-matrix OLED [AMOLED] displays: interconnections, e.g. wiring lines or terminals

Display apparatus comprising overlapped pixel driving circuits

Life of this patent

Display apparatus comprising overlapped pixel driving circuits

Life of this patent

Abstract

Claims20