IP Library › Granted Patent US 11,169,434
Granted Patent B2
US 11,169,434 · App. 16/855,989 · Granted Nov 9, 2021

Optical engine module and projector

Inventors: Te-Ying Tsai (Hsin-Chu, TW); Kun-Chieh Chan (Hsin-Chu, TW)
Assignee: Coretronic Corporation
G03B21/16G02B27/0955G03B21/142H04N9/3144H04N9/3197H05K7/20972
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Quick Facts
Patent No.
US 11,169,434
App. No.
16/855,989
Granted
Nov 9, 2021
Kind
B2
Abstract

An optical engine module includes a housing, an assembling element, a light valve and a first heat exchange assembly. The assembling element has an opening corresponding to an assembly hole of the housing and is assembled on the housing in a non-direct contact mode. The light valve includes a base and an imaging element. The base bears against the assembling element, and an imaging surface of the imaging element faces the opening. The housing, the assembling element and the light valve define a chamber. The first heat exchange assembly is disposed on the assembling element and includes at least one first heat conduction component and a first heat dissipation fin set. The first heat dissipation fin set is located outside the housing. The first heat conduction component extends from the assembling element to the outside of the housing and is connected with the first heat dissipation fin set.

Claims (42)

1. An optical engine module, comprising a housing, an assembling element, a light valve and a first heat exchange assembly, wherein

the housing has an assembly hole;

the assembling element has an opening and is assembled on the housing in a non-direct contact mode, wherein the opening is corresponding to the assembly hole;

the light valve is disposed on the assembling element and comprises a base and an imaging element, the imaging element comprises an imaging surface, the base bears against the assembling element, the imaging surface of the imaging element faces the opening of the assembling element, and the housing, the assembling element and the light valve define a chamber; and

the first heat exchange assembly is disposed on the assembling element and comprises at least one first heat conduction component and a first heat dissipation fin set, the first heat dissipation fin set is located outside the housing, and the at least one first heat conduction component extends from the assembling element to the outside of the housing and is connected with the first heat dissipation fin set.

2. The optical engine module according to claim 1 , further comprising:

at least one fixing assembly comprising a locking component and an elastic component sleeved on the locking component, wherein the elastic component is a non-metal material, and a portion of the elastic component is located between the housing and the assembling element, so that the assembling element is assembled on the housing in a non-direct contact mode by means of the at least one fixing assembly.

3. The optical engine module according to claim 1 , further comprising:

at least one thermoelectric cooler, disposed between the at least one first heat conduction component of the first heat exchange assembly and the assembling element, wherein a cold surface of the at least one thermoelectric cooler is connected with the assembling element, and a hot surface of the at least one thermoelectric cooler is connected with the at least one first heat conduction component.

4. The optical engine module according to claim 3 , further comprising:

a heat conduction plate, disposed on the assembling element and located between the at least one first heat conduction component of the first heat exchange assembly and the assembling element, wherein the at least one thermoelectric cooler is located between the heat conduction plate and the assembling element.

5. The optical engine module according to claim 1 , further comprising:

a total internal reflection prism, disposed in the chamber and configured corresponding to the imaging element.

6. The optical engine module according to claim 1 , further comprising:

a second heat exchange assembly, comprising at least one second heat dissipation fin set, a first fan, a second heat conduction component and a third heat dissipation fin set, wherein the at least one second heat dissipation fin set and the first fan are disposed in the chamber, the second heat conduction component and the third heat dissipation fin set are located outside the housing, and the at least one second heat dissipation fin set and the third heat dissipation fin set are respectively connected with the second heat conduction component.

7. The optical engine module according to claim 6 , further comprising:

a total internal reflection prism, disposed in the chamber and configured corresponding to the imaging element, wherein the first fan is located at one side of the at least one second heat dissipation fin set, and the at least one second heat dissipation fin set and the first fan are disposed beside one side of the total internal reflection prism.

8. The optical engine module according to claim 6 , wherein the second heat conduction component has a first surface and a second surface opposite to each other, the at least one second heat dissipation fin set is connected with the first surface of the second heat conduction component, the third heat dissipation fin set is connected with the second surface of the second heat conduction component, and the second heat conduction component is assembled on the housing in a non-direct contact mode.

9. The optical engine module according to claim 8 , further comprising:

at least one fixing assembly, comprising a locking component and an elastic component sleeved on the locking component, wherein the elastic component is a non-metal material, and a portion of the elastic component is located between the housing and the second heat conduction component, so that the second heat conduction component is assembled on the housing in a non-direct contact mode by means of the at least one fixing assembly.

10. The optical engine module according to claim 6 , further comprising:

a second fan, disposed at one side of the first heat dissipation fin set of the first heat exchange assembly, wherein the first heat dissipation fin set of the first heat exchange assembly is located between the second fan and the third heat dissipation fin set of the second heat exchange assembly.

11. The optical engine module according to claim 6 , further comprising:

a second fan, disposed at one side of the third heat dissipation fin set of the second heat exchange assembly, wherein the third heat dissipation fin set of the second heat exchange assembly is located between the second fan and the first heat dissipation fin set of the first heat exchange assembly.

12. The optical engine module according to claim 6 , further comprising:

a second fan, disposed between the first heat dissipation fin set of the first heat exchange assembly and the third heat dissipation fin set of the second heat exchange assembly.

13. The optical engine module according to claim 6 , wherein a temperature of the third heat dissipation fin set of the second heat exchange assembly is lower than a temperature of the first heat dissipation fin set of the first heat exchange assembly, and a cooling air flow outside the housing sequentially flows through the third heat dissipation fin set and the first heat dissipation fin set.

14. The optical engine module according to claim 6 , wherein the second heat exchange assembly further comprises a thermoelectric cooler and a third heat conduction component, the thermoelectric cooler is located between the second heat conduction component and the third heat conduction component, and the third heat conduction component is located between the thermoelectric cooler and the third heat dissipation fin set.

15. The optical engine module according to claim 14 , wherein the second heat conduction component is connected with a cold surface of the thermoelectric cooler, and the third heat dissipation fin set is connected with a hot surface of the thermoelectric cooler.

16. The optical engine module according to claim 6 , wherein the first heat exchange assembly and the second heat exchange assembly comprise an air-cooled heat exchange assembly or a liquid-cooled heat exchange assembly.

17. A projector, comprising an illuminating system, an optical engine module and a lens, wherein

the illuminating system is used for providing an illuminating beam;

the optical engine module comprises a housing, an assembling element, a light valve and a first heat exchange assembly, wherein

the housing has an assembly hole;

the assembling element has an opening and is assembled on the housing in a non-direct contact mode, wherein the opening is corresponding to the assembly hole;

the light valve is disposed on the assembling element and comprises a base and an imaging element, wherein the base bears against the assembling element, the imaging element comprises an imaging surface, the imaging surface of the imaging element faces the opening of the assembling element, the imaging element is located on a transmission path of the illuminating beam and is used for modulating the illuminating beam into an image beam, and the housing, the assembling element and the light valve define a chamber; and

the first heat exchange assembly is disposed on the assembling element and comprises at least one first heat conduction component and a first heat dissipation fin set, and the first heat dissipation fin set is located outside the housing, wherein the at least one first heat conduction component extends from the assembling element to the outside of the housing and is connected with the first heat dissipation fin set; and

the lens is disposed on a transmission path of the image beam and is used for projecting the image beam out of the projector to form a projecting beam.

18. The projector according to claim 17 , wherein the optical engine module further comprises:

a second heat exchange assembly, comprising at least one second heat dissipation fin set, a first fan, a second heat conduction component and a third heat dissipation fin set, wherein the at least one second heat dissipation fin set and the first fan are disposed in the chamber, the second heat conduction component and the third heat dissipation fin set are located outside the housing, and the at least one second heat dissipation fin set and the third heat dissipation fin set are respectively connected with the second heat conduction component.

19. The projector according to claim 18 , wherein the optical engine module further comprises: a total internal reflection prism, disposed in the chamber and is located on the transmission path of the image beam from the imaging element, wherein the first fan is located at one side of the at least one second heat dissipation fin set, and the at least one second heat dissipation fin set and the first fan are disposed beside one side of the total internal reflection prism.

20. The projector according to claim 18 , wherein a temperature of the third heat dissipation fin set of the second heat exchange assembly is lower than a temperature of the first heat dissipation fin set of the first heat exchange assembly, and a cooling air flow outside the housing sequentially flows through the third heat dissipation fin set and the first heat dissipation fin set.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 26, 2020
From: TSAI, TE-YING; CHAN, KUN-CHIEH
To: CORETRONIC CORPORATION
Reel/Frame 052496/0810 →
Priority Claims (1)
CN 201910352359.8 · Apr 29, 2019 · national
Continuity (1)
Related Publication 20200341357A1 · Oct 29, 2020
Cited By (2)
US 1,069,740 US 1,077,762