US 2019/0378883 A1 · DISPLAY DEVICE

Abstract

A display device is provided. The display device includes an organic light emitting diode display panel, a blue light brightness enhancement film and a polarizing film. The blue light brightness enhancement film is disposed on the organic light emitting diode display panel. The blue light brightness enhancement film includes a cholesteric liquid crystal layer and a quarter-wave phase retardation film, and the quarter-wave phase retardation film is disposed on the cholesteric liquid crystal layer. The polarizing film is disposed on the blue light brightness enhancement film.

Claims9

Dependent claims

A display device, comprising:

an organic light emitting diode display panel;
a blue light brightness enhancement film, disposed on the organic light emitting diode display panel, wherein the blue light brightness enhancement film comprises a cholesteric liquid crystal layer and a quarter-wave phase retardation film, and the quarter-wave phase retardation film is disposed on the cholesteric liquid crystal layer;
and
a polarizing film, disposed on the blue light brightness enhancement film.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

16/120,473Filed 4 Sep 2018

Priority

TW 1071199218 Jun 2018

Published

12 Dec 2019

Term ends

Not estimatedThe source records don’t support an estimate.

Classification7 codes

H10K 59/50
Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00: oLEDs…
G02B 5/3016
Polarising elements: involving passive liquid crystal elements
H10K 59/8791
Constructional details: arrangements for improving contrast, e.g. preventing reflection of ambient light
G02B 5/3033
Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state: in the form of a thin…

Display device

Life of this patent

Display device

Life of this patent

Abstract

Claims9