Optics elements configured for light sensing applications and related methods of manufacturing

• US 20060016965A1
• Filed: 07/20/2005
• Published: 01/26/2006
• Est. Priority Date: 07/23/2004
• Status: Abandoned Application

• Current Assignee: Gentex Corporation
• Original Assignee: Gentex Corporation
• Inventors: Stam, Joseph S., Gager, Steven J.
• Application Number:
  US11/185,145
• Publication Number:
  US 20060016965A1
• Time in Patent Office: Days
• US Class Current: 250/216
• CPC Class Codes: G02B 3/0031 Replication or moulding, e.g. hot embossing, UV-casting, injection moulding
• CPC Class Codes: G02B 3/0043 Inhomogeneous or irregular arrays, e.g. varying shape, size, height
• CPC Class Codes: H01L 31/02327 the optical elements being integrated or being directly associated to the device, e.g. back reflectors optical coatings H01L31/0216
• CPC Class Codes: H01L 31/18 Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof

Abstract

The present invention relates to improved optical elements configured for light sensing applications and to systems comprising the improved optical elements.

Claims

1. An apparatus, comprising:

an optical element material defining an optical element configured to sense light comprising a dual lens structure comprising an optically active area surrounded by an at least partially opaque mask, wherein said at least partially opaque mask is formed in said optical element using a laser having a primary emission wavelength substantially equal to a primary absorption wavelength said optical element material.

2. An apparatus as in claim 1 configured within at least one of the group comprising:

light sensing, image acquisition, a moisture sensing system, a rear-vision system, a lane departure detection system, an adaptive cruse control system, an occupancy detection system, a security system, a vision system, a color measurement system, a head lamp control system, a variable reflectance rearview mirror control system, a digital video recorder and a digital camera.

3. An apparatus as in claim 1 said optical element material comprising an organic material.

4. An apparatus as in claim 1 said optical element material comprising at least one selected from the group comprising:

polycarbonate, polymacrylate and acrylic.

5. An apparatus as in claim 1 further comprising at least one light sensor, wherein said optical element with aperture at least partially defines a field of view of said at least one light sensor.

6. An apparatus as in claim 1 wherein said at least partially opaque mask is at least partially formed using a Nd:

YAG laser.

7. An apparatus as in claim 1 further comprising an image sensor, wherein said optical element with aperture at least partially defines a field of view of said image sensor.

8. An apparatus, comprising:

at least one light sensor; and

an optical element material defining an optical element configured to sense light comprising a dual lens structure comprising an optically active area surrounded by an at least partially opaque mask, wherein said at least partially opaque mask is formed in said optical element and said optical element with aperture at least partially defines a field of view of said at least one light sensor.

9. An apparatus as in claim 8 configured within at least one of the group comprising:

light sensing, image acquisition, a moisture sensing system, a rear-vision system, a lane departure detection system, an adaptive cruse control system, an occupancy detection system, a security system, a vision system, a color measurement system, a head lamp control system, a variable reflectance rearview mirror control system, a digital video recorder and a digital camera.

10. An apparatus as in claim 8 said optical element material comprising an organic material.

11. An apparatus as in claim 8 said optical element material comprising at least one selected from the group comprising:

polycarbonate, polymacrylate and acrylic.

12. An apparatus as in claim 8 wherein said at least partially opaque mask is formed in said optical element using a laser having a primary emission wavelength substantially equal to a primary absorption wavelength said optical element material.

13. An apparatus as in claim 8 wherein said at least partially opaque mask is at least partially formed using a Nd:

YAG laser.

14. An apparatus as in claim 8 further comprising an image sensor, wherein said optical element with aperture at least partially defines a field of view of said image sensor.

15. An apparatus, comprising:

an optical element material defining an optical element configured to sense light comprising a lens structure comprising an optically active area at least partially surrounded by an at least partially opaque area, wherein said at least partially opaque area is formed in said optical element using a laser, said optical element is configured to substantially block light from passing through at least a portion of an area outside an optically active area.

16. An apparatus as in claim 15 configured within at least one of the group comprising:

light sensing, image acquisition, a moisture sensing system, a rear-vision system, a lane departure detection system, an adaptive cruse control system, an occupancy detection system, a security system, a vision system, a color measurement system, a head lamp control system, a variable reflectance rearview mirror control system, a digital video recorder and a digital camera.

17. An apparatus as in claim 15 said optical element material comprising an organic material.

18. An apparatus as in claim 15 said optical element material comprising at least one selected from the group comprising:

polycarbonate, polymacrylate and acrylic.

19. An apparatus as in claim 15 further comprising at least one light sensor, wherein said optical element with aperture at least partially defines a field of view of said at least one light sensor.

20. An apparatus as in claim 15 wherein said at least partially opaque mask is at least partially formed using a Nd:

YAG laser.

21. An apparatus as in claim 15 further comprising an image sensor, wherein said optical element with aperture at least partially defines a field of view of said image sensor.