Display board and display device

Patent metadata

Field	Value
Publication number	US-2018314098-A1
Application number	US-201615772085-A
Country	US
Kind code	A1
Filing date	Nov 1, 2016
Priority date	Nov 6, 2015
Publication date	Nov 1, 2018
Grant date	—

Abstract

An array board includes a glass substrate, gate insulating film, a first interlayer insulating film, a gate insulating film inclined section, a first interlayer insulating film inclined section, and an overlapping portion. The glass substrate includes a display area and a non-display area. The gate insulating film and the first interlayer insulating film include a gate insulating film voided area and a first interlayer insulating film voided area in the non-display area. The gate insulating film inclined section and the interlayer insulating film inclined section are inclined from boundaries with the gate insulating film voided area and the first interlayer insulating film voided area and angled relative to a plate surface of the glass substrate. The overlapping portion overlaps the gate insulating film voided area, the first interlayer insulating film voided area, the gate insulating film inclined section, and the first interlayer insulating film inclined section.

First claim

1 . A display board comprising:
a board including a display area in which an image can be displayed and a non-display area disposed outside the display area to surround the display area; an insulating film disposed to cross a boundary between the display area and the non-display area and including a hole at least in the non-display area, the hole being defined as an insulating film voided area; at least one inclined section inclined from a boundary with the insulating film voided area and angled relative to a plate surface of the board, the at least one inclined section being a section of the insulating film; and an overlapping portion disposed in a layer upper than the insulating film to overlap the insulating film voided area and the at least one inclined section to cross the boundary between the insulating film voided area and the at least one inclined section.

2 . The display board according to claim 1 , wherein the overlapping portion is angled relative to the plate surface of the board with an angle of slope smaller than an angle of slope of the at least one inclined section.

3 . The display board according to claim 1 , further comprising:
a second insulating film disposed in a layer upper than the insulating film and including a hole in an area overlapping the insulating film voided area and the at least one inclined section, the hole being defined as a second insulating film voided area; and a second inclined section inclined from a boundary with the second insulating film voided area and angled relative to the plate surface of the board with an angle of slope smaller than the angle of slope of the at least one inclined section.

4 . The display board according to claim 3 , wherein the overlapping portion is disposed not to overlap the second inclined section or to cover a part of the second inclined section.

5 . The display board according to claim 1 , further comprising a terminal formed from a lower layer-side metal film disposed in a layer lower than the insulating film in the non-display area, wherein
the insulating film is configured such that the insulating film voided area overlaps a terminal central section of the terminal, the at least one inclined section is disposed to overlap a terminal peripheral section of the terminal for an entire periphery of the terminal peripheral section, and the overlapping portion overlaps the insulating film voided area and the at least one inclined section for entire peripheries of the insulating film voided area and the at least one inclined section.

6 . The display board according to claim 5 , wherein the overlapping portion is made from an upper-layer metal film disposed in a layer upper than the insulating film in the non-display area.

7 . The display board according to claim 1 , further comprising:
a plurality of terminals formed from a lower layer-side metal film disposed in a layer lower than the insulating film in the non-display area; a plurality of terminal lines formed from the lower layer-side metal film and connected to the plurality of terminals in the non-display area; and a second insulating film disposed in a layer upper than the insulating film, wherein the insulating film is configured such that the insulating film voided area overlaps the plurality of terminals to cross the plurality of terminals, the at least one inclined section is disposed to cross the plurality of terminal lines, and the overlapping portion is formed from a section of the second insulating film and disposed to cross the plurality of terminal lines.

8 . The display board according to claim 5 , further comprising a display driver mounted in the non-display area and connected to the terminal.

9 . The display board according to claim 1 , wherein
the insulating film includes an insulating film central portion and an insulating film peripheral portion separated from each other by the insulating film voided area formed in a frame shape to surround the display area, and the at least one inclined section includes an inclined section at the insulating film central portion extending for an entire periphery of the insulating film central portion and an inclined section at the insula ting film peripheral portion extending for an entire periphery of the insulating film peripheral portion, and the overlapping portion overlaps the insulating film voided area and the at least one inclined section.

10 . A display device comprising:
the display board according to claim 1 ; and a common board disposed opposite the display board.

Assignees

• Sharp Kk

Inventors

• Saitoh Takao
• Kanzaki Yohsuke
• Nakazawa Makoto
• ITO Kazuatsu
• Kaneko Seiji

Classifications

• G02F1/1339

  Gaskets; Spacers; Sealing of cells · CPC title

• G02F1/136286

  Wiring, e.g. gate line, drain line · CPC title

• G02F1/133512

  Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence) · CPC title

• G02F1/134309

  characterised by their geometrical arrangement · CPC title

• G02F1/133514

  Colour filters · CPC title