US 10,884,295 B2 · Display device

Abstract

A display device including a first display substrate including a switching element disposed on a first base, a height difference generation pattern disposed on the switching element to overlap with the switching element, a color filter layer disposed on the height difference generation pattern and covering the height difference generation pattern, an organic layer disposed on the color filter layer and including a protruding part overlapping the height difference generation pattern, and a pixel electrode disposed on the organic layer, electrically connected to the switching element, and not overlapping the protruding part; a second display substrate including a second base facing the first base; a liquid crystal layer disposed between the first and second display substrates; and a column spacer disposed between a first surface of the second base facing the first base and the organic layer and overlapping the protruding part.

Claims12

Dependent claims

A display device comprising:

a first base;
a switching element disposed on the first base;
an organic pattern disposed on the switching element to overlap with the switching element;
a color filter layer disposed on the organic pattern and overlapping with the organic pattern;
an organic layer disposed on the color filter layer and comprising a protruding portion overlapping with the organic pattern;
and
a pixel electrode disposed on the organic layer, the pixel electrode being electrically connected to the switching element and not overlapping with the protruding portion,
wherein a height of the protruding part is 0.6 μm to 0.8 μm.

5 more elements

A display device comprising:

a first base including a first pixel area and a second pixel area;
a first switching element and a second switching element disposed on the first base, the first switching element located in the first pixel area and the second switching element located in the second pixel area;
an organic pattern disposed on the first switching element to overlap with the first switching element;
a first color filter layer disposed on the first switching element and the organic pattern, the first color filter layer overlapping with the organic pattern;
a second color filter layer disposed on the second switching element;
an organic layer disposed on the first color filter layer and the second color filter layer, the organic layer comprising a first protruding portion overlapping with the organic pattern;
a first pixel electrode disposed on the organic layer in the first pixel area, the first pixel electrode being electrically connected to the first switching element and not overlapping with the first protruding portion;
a second pixel electrode disposed on the organic layer in the second pixel area, the second pixel electrode being electrically connected to the second switching element;
wherein:
the organic layer further comprises a second protruding portion overlapping with the second switching element and having a height less than that of the first protruding portion;
and
the height of the first protruding portion is greater than the height of the second protruding portion by 0.3 μm to 0.5 μm.

9 more elements

Dependencies are inferred from the claim text.

Facts

Application

16/781,898Filed 4 Feb 2020 · continuation

Priority

KR 10-2018-006677911 Jun 2018

Published

US 2020/0174302 A14 Jun 2020

Granted

5 Jan 2021

Term ends

Not estimatedThe source records don’t support an estimate.

Classification10 codes

G02F 1/13394
Gaskets; Spacers; Sealing of cells: spacers regularly patterned on the cell subtrate, e.g. walls, pillars
G02F 1/1362
Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit: active…
G02F 1/1337
Constructional arrangements; Manufacturing methods: surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
G02F 1/136209
Active matrix addressed cells: light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally…

Family

Application16/214,134Parent of this continuation · filed 10 Dec 2018

US 2020/0174302 A1Pre-grant publication · published 4 Jun 2020

US 10,591,781 B2Parent of this continuation

US 2019/0377214 A1Published application

US 10,884,295 B2This patent

From the US filing history. Foreign family members aren’t listed.

Display device

Life of this patent

Display device

Life of this patent

Abstract

Claims12