PROJECTION DISPLAY CHIP

• US 20100321640A1
• Filed: 05/17/2010
• Published: 12/23/2010
• Est. Priority Date: 06/22/2009
• Status: Abandoned Application

• Current Assignee: Industrial Technology Research Institute
• Original Assignee: Industrial Technology Research Institute
• Inventors: Chuang, Yu Hung, Chao, Chia Hsin, Chen, Tse Peng, Li, Chia Ling, YEH, Wen Yung
• Application Number:
  US12/781,419
• Publication Number:
  US 20100321640A1
• Time in Patent Office: Days
• US Class Current: 353/31
• CPC Class Codes: G03B 21/005 Projectors using an electronic spatial light modulator but not peculiar thereto

Abstract

A projection display chip comprises a micro light emitting array comprising a plurality of micro LEDs, a micro collimation array comprising a plurality of micro collimation devices, and a projection micro lens array comprising a plurality of micro lenses. Each micro LED has a corresponding driving circuit device. The plurality of micro lenses has different optical axes to enlarge projected images.

Claims

1. A projection display chip, comprising:

a micro light emitting array including a plurality of micro light emitting units, wherein each micro emitting unit has a driving circuit device; and

a micro collimation array fabricated on the micro light emitting array, wherein the micro collimation array includes a plurality of micro collimation devices.

2. The projection display chip of claim 1, further comprising:

a projection lens configured to display a focused projection of an image provided by the projection display chip.

3. The projection display chip of claim 1, wherein the micro light emitting units are implemented by laser diodes.

4. The projection display chip of claim 1, wherein the micro light emitting units are implemented by Light Emitting Diodes (LEDs).

5. The projection display chip of claim 1, wherein the micro light emitting units are implemented by organic LEDs.

6. The projection display chip of claim 1, wherein the driving circuit devices are implemented by thin-film transistors.

7. The projection display chip of claim 1, wherein the driving circuit devices are implemented by Metal-Oxide-Semiconductor (MOS) transistors.

8. The projection display chip of claim 1, wherein the micro collimation devices are implemented by photonic crystals.

9. The projection display chip of claim 1, wherein the micro collimation devices are implemented by micro rings.

10. The projection display chip of claim 1, wherein the micro collimation devices are implemented by surface plasmonic apertures.

11. The projection display chip of claim 1, wherein the micro collimation devices are implemented by transparent dielectric lenses.

12. The projection display chip of claim 1, wherein the micro collimation devices are implemented by lenses.

13. A projection display chip, comprising:

a micro light emitting array including a plurality of micro light emitting units, wherein each micro emitting unit has a driving circuit device; and

a projection micro lens array fabricated on the micro light emitting array, wherein the projection micro lens array includes a plurality of micro lenses with different optical axes to enlarge projected images.

14. The projection display chip of claim 13, wherein the micro light emitting units are implemented by laser diodes.

15. The projection display chip of claim 13, wherein the micro light emitting units are implemented by LEDs.

16. The projection display chip of claim 13, wherein the micro light emitting units are implemented by organic LEDs.

17. The projection display chip of claim 13, wherein the driving circuit devices are implemented by thin-film transistors.

18. The projection display chip of claim 13, wherein the driving circuit devices are implemented by MOS transistors.

19. The projection display chip of claim 13, wherein the micro lenses are implemented by transparent dielectric lenses.

20. The projection display chip of claim 13, wherein the micro lenses are implemented by lenses.

21. A projection display chip, comprising:

a micro light emitting array including a plurality of micro light emitting units, wherein each micro emitting unit has a driving circuit device;

a micro collimation array fabricated on the micro light emitting array, wherein the micro collimation array includes a plurality of micro collimation devices; and

a projection micro lens array fabricated on the micro collimation array, wherein the projection micro lens array includes a plurality of micro lenses with different optical axes to enlarge projected images.

22. The projection display chip of claim 21, wherein the micro light emitting units are implemented by laser diodes.

23. The projection display chip of claim 21, wherein the micro light emitting units are implemented by LEDs.

24. The projection display chip of claim 21, wherein the micro light emitting units are implemented by organic LEDs.

25. The projection display chip of claim 21, wherein the driving circuit devices are implemented by thin-film transistors.

26. The projection display chip of claim 21, wherein the driving circuit devices are implemented by MOS transistors.

27. The projection display chip of claim 21, wherein the micro collimation devices are implemented by photonic crystals.

28. The projection display chip of claim 21, wherein the micro collimation devices are implemented by micro rings.

29. The projection display chip of claim 21, wherein the micro collimation devices are implemented by surface plasmonic apertures.

30. The projection display chip of claim 21, wherein the micro collimation devices are implemented by transparent dielectric lenses.

31. The projection display chip of claim 21, wherein the micro lenses are implemented by transparent dielectric lenses.

32. The projection display chip of claim 21, wherein the micro lenses are implemented by lenses.

33. A projection display chip, comprising:

a micro light emitting array including a plurality of micro light emitting units, wherein each micro emitting unit has a driving circuit device; and

a projection micro lens array fabricated on the micro light emitting array, wherein the projection micro lens array includes a plurality of micro adjustable lenses.

34. The projection display chip of claim 33, wherein focus and optical axes of the micro adjustable lenses are adjusted by electronic signals.