DISPLAY DEVICE

• US 20150253612A1
• Filed: 09/27/2013
• Published: 09/10/2015
• Est. Priority Date: 09/28/2012
• Status: Abandoned Application

• Current Assignee: Panasonic Intellectual Property Management Co., Ltd. (Panasonic Holdings Corporation)
• Original Assignee: Panasonic Intellectual Property Management Co., Ltd. (Panasonic Holdings Corporation)
• Inventors: Hasegawa, Kenji, Uriu, Eiichi
• Application Number:
  US14/430,816
• Publication Number:
  US 20150253612A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G02F 1/133308 Support structures for LCD panels, e.g. frames or bezels
• CPC Class Codes: G02F 1/133311 Environmental protection, e.g. against dust or humidity
• CPC Class Codes: G02F 1/13332 Front frames
• CPC Class Codes: G02F 1/133331 Cover glasses
• CPC Class Codes: G02F 1/1339 Gaskets; Spacers; Sealing of cells

Abstract

In view of the insufficiency of the prior display device, the objective is to propose a display device capable of more reducing occurrence of dew condensation inside the cabinet caused by a change in environment. To achieve this objective, the display device of the present disclosure includes: a display panel; a glass cover situated opposite a front face of the display panel; and a spacer in a frame shape for fixing the display panel and the glass cover so that the display panel and the glass cover are spaced at a predetermined interval. A space enclosed by the display panel, the glass cover, and the spacer is kept in a dry state.

Claims

1. A display device, comprising:

a display panel;

a glass cover situated opposite a front face of the display panel; and

a spacer in a frame shape for fixing the display panel and the glass cover so that the display panel and the glass cover are spaced at a predetermined interval,

a space enclosed by the display panel, the glass cover, and the spacer being kept in a dry state.

2. The display device according to claim 1, wherein

a substance inside the space is replaced with dry air.

3. The display device according to claim 1, further comprising a display module which is an integrated component including the display panel, a drive circuit configured to drive at least the display panel, and a chassis configured to hold the display panel and the drive circuit,

the chassis including a front end situated to cover part of the front face of the display panel, and

the spacer being situated between a surface of the front end of the chassis and the glass cover.

4. The display device according to claim 3, wherein:

the display panel is a transmissive liquid crystal panel; and

the display module further includes a backlight unit for displaying an image on the liquid crystal panel.

5. The display device according to claim 3, further comprising a display panel sealing member situated between the front end of the chassis and the display panel,

the display panel sealing member defining an outer limit of the space.

6. The display device according to claim 1, wherein

an outside of the spacer is hermetically surrounded by a spacer sealing member.

7. The display device according to claim 1, wherein

the spacer is made of a pipy member.

8. The display device according to claim 7, wherein:

at least one hole is formed through a face of the spacer facing the space so as to spatially connect an inside of the spacer and the space together; and

a desiccant is situated in the inside of the spacer.