IP Library Granted Patent US 11,301,100
Granted Patent B2
US 11,301,100 · App. 16/990,522 · Granted Apr 12, 2022

Display device

Inventors: Sang-Hyuk Won (Gimpo-si, KR); Min-Joo Kim (Seoul, KR); Chang-Hyun Song (Seongnam-si, KR); Yong-Il Kim (Dangjin-si, KR); Jong-Won Lee (Seoul, KR)
Assignee: LG Display Co., Ltd.
G06F3/0446G06F3/044G06F3/0412G06F3/0443G09G3/3233H01L27/322H01L27/323H01L27/3246H01L51/5206H01L51/5221H01L51/5237H01L51/56
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Quick Facts
Patent No.
US 11,301,100
App. No.
16/990,522
Granted
Apr 12, 2022
Kind
B2
Abstract

A thin and lightweight display device is disclosed. An organic light-emitting display device having a touch sensor is configured such that an outer planarization layer fills a space between a plurality of dams, thereby preventing a short circuit between routing lines in the space between the dams, and such that touch electrodes are disposed on an encapsulation structure for encapsulating a light-emitting element, with the result that an additional bonding process is not required, whereby the process is simplified and cost is reduced.

Claims (14)

1. A display device, comprising:

a substrate having an active area and a non-active area;

a light-emitting element disposed on the substrate;

an encapsulation structure disposed on the light-emitting element, the encapsulation structure comprising a first inorganic encapsulation layer, a second inorganic encapsulation layer on the first inorganic encapsulation layer, and the organic encapsulation layer interposed between the first inorganic encapsulation layer and the second inorganic encapsulation layer;

a plurality of touch electrodes and a plurality of bridges disposed on the encapsulation structure;

a touch insulating film disposed between the touch electrodes and bridges;

a plurality of routing lines disposed in the non-active area;

at least one dam disposed in the non-active area; and

at least one first planarization layer disposed in the non-active area, and disposed on the second inorganic encapsulation layer,

wherein the touch insulating film, the first planarization layer, and the second inorganic encapsulation layer overlap each other in the non-active area, and

wherein the first planarization layer is interposed between the touch insulation film and the second inorganic encapsulation layer.

2. The display device according to claim 1 , wherein the first planarization layer fills a space between the organic encapsulation layer and the dams.

3. The display device according to claim 1 , wherein the routing lines are connected respectively to the touch sensors.

4. The display device according to claim 1 , wherein the first planarization layer covers the at least one dam and has a height corresponding to the upper surface of the organic encapsulation layer up to a pad disposed on the substrate.

Priority Claims (1)
KR 10-2017-0067449 · May 31, 2017 · national
Continuity (2)
Continuation 15991900 · May 29, 2018
Related Publication 20200373362A1 · Nov 26, 2020
Cited By (3)
US 12,189,878 US 12,449,922 US 12,684,961