IP Library Granted Patent US 7,365,809
Granted Patent B2
US 7,365,809 · App. 10/550,619 · Granted Apr 29, 2008

Stereoscopic image display device having negative pressure regions within

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Quick Facts
Patent No.
US 7,365,809
App. No.
10/550,619
Granted
Apr 29, 2008
Kind
B2
Abstract

A stereoscopic image display device 30 comprising a backlight 32 , a liquid crystal display panel 36 , a liquid crystal parallax barrier 44 , and a spacer member 40 arranged between the liquid crystal display panel 36 and the liquid crystal parallax barrier 44 , in which the spacer member 40 is made of a glass material different from that of the glass substrates 36 a, 36 b constituting the liquid crystal display panel 36 , and the spacer member 40 is a glass substrate having a thermal expansion coefficient larger than that of the glass substrates 36 a, 36 b constituting the liquid crystal display panel 36 . More specifically, it is preferable that the spacer member 40 consist of a soda glass substrate and that the liquid crystal display panel 36 for display be formed of non-alkali glass. With this constitution, it is possible to provide a stereoscopic image display device, which can be used as a large-sized stereoscopic image display device by means of the liquid crystal parallax barrier method, with good display quality and where due consideration has been given to the thermal expansion of the substrate caused by heat generated by the backlight, and the manufacturing method therefor.

Claims (12)

1. A stereoscopic image display device, comprising:

a backlight;

a liquid crystal display panel;

a liquid crystal parallax barrier; and

a spacer member arranged between the said liquid crystal display panel and the said liquid crystal parallax barrier,

wherein the said spacer member consists of a glass material different from that of the glass substrate constituting the said liquid crystal display panel; and

wherein the entire peripheral edge portions of the said liquid crystal display panel and the said spacer member and the entire peripheral edge portions of the spacer member and the liquid crystal parallax barrier are adhered together by an adhesive agent; and

wherein a negative pressure region is formed between the said liquid crystal display panel and the said spacer member as well as between the spacer member and the liquid crystal parallax barrier.

2. The stereoscopic image display device according to claim 1 , wherein the said adhesive agent is coated on the peripheral edge portion of the liquid crystal display panel other than the display region thereof.

3. The stereoscopic image display device according to claim 1 , wherein an opening region is formed on a portion of the said adhesive agent, and a sealing member is coated on the opening region.

4. The stereoscopic image display device according to claim 3 , wherein the said sealing member is any one of UV-cure resin, acrylic resin and epoxy resin.

5. The stereoscopic image display device according to claim 1 , wherein the said adhesive agent is either a thermosetting sealing member or an UV-cure sealing member.

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 15, 2018
From: SEIKO EPSON CORPORATION
To: 138 EAST LCD ADVANCEMENTS LIMITED
Reel/Frame 046153/0397 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 22, 2010
From: SANYO CONSUMER ELECTRONICS CO., LTD.
To: SEIKO EPSON CORPORATION
Reel/Frame 025178/0326 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 22, 2010
From: SANYO ELECTRIC CO., LTD.
To: SEIKO EPSON CORPORATION
Reel/Frame 025178/0329 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 26, 2005
From: TANAKA, SHINICHIRO; ARAMATSU, YOSHIAKI
To: SANYO ELECTRIC CO., LTD.; TOTTORI SANYO ELECTRIC CO., LTD.
Reel/Frame 017860/0380 →