Display device and portable wireless terminal having the same

• US 20070012489A1
• Filed: 07/14/2006
• Published: 01/18/2007
• Est. Priority Date: 07/14/2005
• Status: Abandoned Application

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Kim, Young, Lee, Yong-Hui
• Application Number:
  US11/486,786
• Publication Number:
  US 20070012489A1
• Time in Patent Office: Days
• US Class Current: 178/18.10
• CPC Class Codes: G06F 1/1624 with sliding enclosures, e.g. sliding keyboard or display
• CPC Class Codes: G06F 1/1637 Details related to the display arrangement, including those related to the mounting of the display in the housing
• CPC Class Codes: G06F 1/1656 Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories mounting of accessories to a computer display G06F1/1607; display hoods G06F1/1603; cooling arrangements for portable computers G06F1/203

Abstract

A display device includes a display module and a flexible circuit film. The display module includes a display panel for displaying images and a light supplying unit for supplying the display panel with a light. The flexible circuit film is electrically connected to the display panel and is disposed on a surface of the display module. The flexible circuit film includes a conductive pattern of driving circuits for driving the display module. The conductive pattern includes multiple conductive layers no less than three. The flexible circuit film also has a light source driving circuit to drive a light emitting diode.

Claims

1. A display device comprising:

a display module including a display panel for displaying images and a light supplying unit for supplying the display panel with a light; and

a flexible circuit film electrically connected to the display panel and being disposed on a surface of the display module, the flexible circuit film including a conductive pattern of driving circuits for driving the display module.

2. The display device of claim 1, wherein the light supplying unit comprises at least one light emitting diode that is electrically connected to the flexible circuit film.

3. The display device of claim 1, wherein the conductive pattern of the driving circuits includes conductive layers of which number is no less than three.

4. The display device of claim 2, wherein the flexible circuit film further comprises a light source driving circuit for driving the light emitting diode.

5. The display device of claim 2, wherein the light supplying unit further comprises:

a light guiding plate that guides the light generated from the light emitting diode toward the display panel;

a reflection sheet disposed under the light guiding plate;

an optical sheet disposed on the light guiding plate;

a mold frame that receives the light emitting diode, the light guiding plate, the reflection sheet, and the optical sheet; and

a bottom chassis combined with the mold frame to cover a lower surface of the reflection sheet.

6. The display device of claim 5, wherein the flexible circuit film is secured to a surface of the bottom chassis.

7. The display device of claim 6, wherein the bottom chassis includes an opening at a selected position, the light emitting diode being disposed adjacent to a side of the light guide plate through the opening of the bottom chassis.

8. The display device of claim 1, wherein the flexible circuit film further comprises a first connector that receives control signals for controlling the display device.

9. The display device of claim 1, wherein the display panel is a liquid crystal display panel that comprises:

a lower substrate;

an upper substrate combined with the lower substrate;

a liquid crystal layer disposed between the lower substrate and the upper substrate; and

a driving chip mounted on the lower substrate.

10. The display device of claim 1, further comprising a pad circuit board including a plurality of keypads for selecting modes of operation.

11. The display device of claim 10, wherein the flexible circuit film further comprises a second connector electrically connected to the pad circuit board.

14. The mobile wireless terminal of claim 11, wherein the flexible circuit film further comprises a light source driving circuit for driving at least one light emitting diode of the light supplying unit.

15. The mobile wireless terminal of claim 11, wherein the information processing device comprises a main circuit board that generates control signals for controlling the display device.

16. The mobile wireless terminal of claim 15, wherein the flexible circuit film further comprises a first connector electrically connected to the main circuit board.

17. The mobile wireless terminal of claim 16, wherein the display device further comprises a pad circuit board including a plurality of keypads for selecting modes of operation.

18. The mobile wireless terminal of claim 17, wherein the flexible circuit film further comprises a second connector electrically connected to the pad circuit board.

19. The mobile wireless terminal of claim 18, further comprising a connection line electrically connected between the pad circuit board and the second connector of the flexible circuit film.

12. A portable wireless terminal comprises:

an information processing device that processes information based on input signals of a key input unit; and

a display device for displaying images, the display device slidingly combined with the information processing device so that the information processing device is exposed or covered, the display device including;

a display module including a display panel for displaying images and a light supplying unit for supplying the display panel with a light; and

a flexible circuit film electrically connected to the display panel and being disposed on a surface of the display module, the flexible circuit film including a conductive pattern of driving circuits for driving the display module.

13. The display device of claim 12, wherein the conductive portion of the driving circuits includes conductive layers of which number is no less than three.

20. The mobile wireless terminal of claim 12, wherein the light supplying unit comprises:

a light emitting diode electrically connected to the flexible circuit film;

a light guiding plate that guides the light from the light emitting diode; and

a bottom chassis combined with a mold frame that receives the light emitting diode and the light guiding plate.

21. The mobile wireless terminal of claim 20, wherein the flexible circuit film extends toward a rear surface of the bottom chassis.

22. The mobile wireless terminal of claim 21, wherein the bottom chassis includes an opening at a position corresponding to the light emitting diode of the light supplying unit, the light emitting diode being disposed adjacent to a side of the light guide plate through the opening of the bottom chassis.