Light source module structure for CIS module

• US 20040264190A1
• Filed: 04/07/2004
• Published: 12/30/2004
• Est. Priority Date: 06/24/2003
• Status: Abandoned Application

• Current Assignee: Creative Sensor Inc.
• Original Assignee: Creative Sensor Inc.
• Inventors: Wen, I Wang, Su, Ling Ta
• Application Number:
  US10/819,431
• Publication Number:
  US 20040264190A1
• Time in Patent Office: Days
• US Class Current: 362/257
• CPC Class Codes: H04N 1/02815 Means for illuminating the original, not specific to a particular type of pick-up head
• CPC Class Codes: H04N 1/02845 using an elongated light source, e.g. tubular lamp, LED array
• CPC Class Codes: H04N 2201/03112 Light source
• CPC Class Codes: H04N 2201/03129 Transparent cover or transparent document support mounted on the head
• CPC Class Codes: H04N 2201/03141 Photodetector lens
• CPC Class Codes: H04N 2201/03145 Photodetector

Abstract

A light source module structure for a CIS module of a scanner, a multi-function printer (MFP) or a copy machine is provided. The light source module structure includes a housing having a first circuit board therein; a light-sensing element disposed on the first circuit board and electrically connected to the first circuit board; a lens disposed in the housing and being parallel to the light-sensing element; and at least one organic electro luminescent element integration disposed in the housing to provide a light source.

Claims

1. A light source module structure for a CIS module of a scanner, a multi-function printer (MFP) or a copy machine, comprising:

a housing having a first circuit board therein;

a light-sensing element disposed on said first circuit board and electrically connected to said first circuit board;

a lens disposed in said housing and being parallel to said light-sensing element; and

at least one organic electro luminescent element integration disposed in said housing to provide a light source.

2. The light source module structure according to claim 1, wherein said organic electro luminescent element integration is a small molecular organic light emitting diode integration.

3. The light source module structure according to claim 1, wherein said organic electro luminescent element integration is a polymeric organic light emitting diode integration.

4. The light source module structure according to claim 1, wherein said housing further has an open surface for said light and said reflected light to pass therethrough.

5. The light source module structure according to claim 1, wherein said housing further has a transparent surface for said light and said reflected light to pass therethrough.

6. The light source module structure according to claim 5, wherein said transparent surface is formed of glass.

7. The light source module structure according to claim 1, wherein said light-sensing element is one selected from a group consisting of a charge-coupled device, a complementary metal oxide semiconductor and an element having an optical to electronic converting property.

8. The light source module structure according to claim 1, wherein said light source provided by said organic electro luminescent element integration is a monochromatic light.

9. The light source module structure according to claim 1, wherein said light source provided by said organic electro luminescent element integration is a light with primitive colors.

10. The light source module structure according to claim 1, wherein said light source provided by said organic electro luminescent element integration has a pixel pattern having a random shape and a random arrangement.

11. The light source module structure according to claim 1, wherein a plurality of organic electro luminescent element integrations are fabricated by a tiling technology to form a needed size.

12. The light source module structure according to claim 1, wherein a plurality of organic electro luminescent element integrations are fabricated by an array technology to form a needed size.

13. The light source module structure according to claim 1, wherein said organic electro luminescent element integration is connected to said first circuit board by one of a flexible print circuit and a connector.

14. The light source module structure according to claim 1, wherein said organic electro luminescent element integration is disposed on a second circuit board in said housing, and a light-emitting mechanism of said organic electro luminescent element integration is controlled by said second circuit board.

15. The light source module structure according to claim 12, wherein said second circuit board is connected to said first circuit board by one of a flexible print circuit and a connector.

16. The light source module structure according to claim 1, wherein a substrate of said organic electro luminescent element integration is one selected from a group consisting of glass, plastics, metals and flexible films.

17. A scanner, comprising:

a housing having a first circuit board therein;

a light-sensing element disposed on said first circuit board and electrically connected to said first circuit board;

a lens disposed in said housing and being parallel to said light-sensing element; and

at least one organic electro luminescent element integration disposed in said housing to provide a light source;

wherein light emitted from said light source is reflected by a scanned object to form a reflected light, and then said reflected light is focused on said light-sensing element via said lens.