IP Library Granted Patent US 10,847,747
Granted Patent B2
US 10,847,747 · App. 15/940,025 · Granted Nov 24, 2020

Display device

Inventor: Shinji Nakajima (Minato-ku, JP)
Assignee: Japan Display Inc.
H01L51/5253H01L51/5246H01L27/3246H01L27/3258H01L51/525
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Quick Facts
Patent No.
US 10,847,747
App. No.
15/940,025
Granted
Nov 24, 2020
Kind
B2
Abstract

A display device according to an embodiment of the present invention includes: one or a plurality of display elements provided in a display region; and an organic sealing film provided above the display element in the display region and a picture-frame region outside the display region, the organic sealing film being formed of an organic insulating material, the organic sealing film including, in at least a portion of the picture-frame region, a high surface portion whose surface is higher than a surface of the organic sealing film in the display region.

Claims (12)

1. A display device comprising:

one or a plurality of display elements provided in a display region;

an organic sealing film provided above the display element in the display region and a picture-frame region outside the display region, the organic sealing film being formed of an organic insulating material, the organic sealing film including, in at least a portion of the picture-frame region, a high surface portion whose surface is higher than a surface of the organic sealing film in the display region; and

one or a plurality of organic interlayer films provided below the organic sealing film in the display region and the picture-frame region, the organic interlayer film being formed of an organic insulating material, the organic interlayer film being formed with a dividing groove by which the organic interlayer film is divided in the picture-frame region, wherein

the organic sealing film fills the dividing groove, and an outer edge of the organic sealing film reaches an outer side wall of the dividing groove, and

the high surface portion is formed in at least an area of the picture-frame region that is located on an inside of the dividing groove.

2. The display device according to claim 1 , wherein

the high surface portion is formed in a frame shape that surrounds the display region.

3. The display device according to claim 1 , wherein

the high surface portion is also formed in an area on the dividing groove.

4. The display device according to claim 1 , wherein

the organic sealing film includes, outside the high surface portion, an inclined surface extending downward toward an outside.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 22, 2025
From: JAPAN DISPLAY INC.
To: MAGNOLIA WHITE CORPORATION
Reel/Frame 072130/0313 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 29, 2018
From: NAKAJIMA, SHINJI
To: JAPAN DISPLAY INC.
Reel/Frame 045387/0697 →
Priority Claims (1)
JP 2017-073967 · Apr 3, 2017 · national
Continuity (1)
Related Publication 20180287094A1 · Oct 4, 2018