Light source module and projector

Patent metadata

Field	Value
Publication number	US-10215388-B2
Application number	US-201414583783-A
Country	US
Kind code	B2
Filing date	Dec 29, 2014
Priority date	Mar 31, 2014
Publication date	Feb 26, 2019
Grant date	Feb 26, 2019

Abstract

A projector and a light source module including a light emitting diode element, a pin connector, and two power cords are provided. The light emitting diode element has a first electrode and a second electrode. The pin connector is disposed on the light emitting diode element and has two connection pins, wherein each connection pin has a first connection end and a second connection end, and the two first connection ends respectively contact the first electrode and the second electrode. The two power cords are respectively connected to the first electrode and the second electrode through the two connection pins, wherein each power cord includes a joint and a wire connected to each other, each joint and the corresponding second connection end are mutually plugged along a first axial direction, each wire extends out from the corresponding joint along a second axial direction perpendicular to the first axial direction.

First claim

What is claimed is:

1. A light source module, comprising:
a light emitting diode element, having a first electrode, a second electrode and a substrate, wherein the substrate has a top surface, and the top surface of the substrate is a light emitting surface;
a pin connector, disposed on the light emitting diode element and having two connection pins, wherein each of the connection pins has a first connection end and a second connection end, and the two first connection ends are disposed on and contact to the first electrode and the second electrode respectively; and
two power cords, respectively connected to the first electrode and the second electrode through the two connection pins, wherein each of the power cords comprises a joint and a wire connected to each other, each of the joints and the corresponding second connection end are mutually plugged along a first axial direction, each of the wires extends out from the corresponding joint along a second axial direction,
wherein the first electrode has a first flat surface, the second electrode has a second flat surface, each of the first connection ends has a third flat surface, the top surface of the substrate is parallel with the first flat surface, the second flat surface and the third flat surfaces, the first flat surface partially overlaps and contacts one of the third flat surfaces, and the second flat surface partially overlaps and contacts the other one of the third flat surfaces, wherein the third flat surfaces partially overlap and contact the top surface of the substrate at the first flat surface of the first electrode and the second flat surface of the second electrode,
wherein the pin connector has a base, the base is disposed on the substrate, and along a direction parallel to the second axial direction, a width of the substrate of the light emitting diode element is less than a width of the base of the pin connector.

2. The light source module as claimed in claim 1 , wherein each of the joints comprises a first end portion, a second end portion, and a bending portion, the bending portion is connected between the first end portion and the second end portion, the first end portion and the corresponding connection pin are mutually plugged along the first axial direction, and each of the wires extends out from the corresponding second end portion along the second axial direction.

3. The light source module as claimed in claim 1 , wherein a width of each of the connection pins is greater than or equal to 6 millimeters.

4. The light source module as claimed in claim 1 , wherein the light emitting diode element is adapted to receive a current greater than or equal to 32 amperes through the pin connector.

5. The light source module as claimed in claim 1 , wherein each of the connection pins has a plug section, and the plug section is parallel to the substrate and is plugged to the corresponding joint.

6. The light source module as claimed in claim 1 , wherein each of the connection pins has a plug section, and each of the plug sections is perpendicular to the substrate and is plugged to the corresponding joint.

7. The light source module as claimed in claim 6 , wherein the substrate further has a back surface opposite to the top surface being the light emitting surface, and each of the plug sections is bended towards the light emitting surface to be perpendicular to the substrate.

8. The light source module as claimed in claim 6 , wherein the substrate further has a back surface opposite to the top surface being the light emitting surface, and each of the plug sections is bended towards the back surface to be perpendicular to the substrate.

9. The light source module as claimed in claim 1 , wherein the light emitting diode element further comprises a light emitting unit, the light emitting unit is disposed on the substrate and the base has a front end and a back end, wherein the front end and the back end are opposite to each other, the back end faces the light emitting unit, and each of the connection pins extends out from the front end.

10. The light source module as claimed in claim 1 , wherein the light emitting diode element further comprises a light emitting unit, the light emitting unit is disposed on the substrate, has a front end, a back end, and two side ends, wherein the front end and the back end are opposite to each other, the two side ends are opposite to each other and are connected between the front end and the back end, the back end faces the light emitting unit, and the two connection pins respectively extend out from the two side ends.

11. A projector, comprising:
a light source module, comprising:
a light emitting diode element, having a first electrode, a second electrode and a substrate, and adapted to provide an illumination beam, wherein the substrate has a top surface, and the top surface of the substrate is a light emitting surface;
a pin connector, disposed on the light emitting diode element and having two connection pins, wherein each of the connection pins has a first connection end and a second connection end, and the two first connection ends are disposed on and contact to the first electrode and the second electrode respectively; and
two power cords, respectively connected to the first electrode and the second electrode through the two connection pins, wherein each of the power cords comprises a joint and a wire connected to each other, each of the joints and the corresponding second connection end are mutually plugged along a first axial direction, each of the wires extends out from the corresponding joint along a second axial direction,
wherein the first electrode has a first flat surface, the second electrode has a second flat surface, each of the first connection ends has a third flat surface, the top surface of the substrate is parallel with the first flat surface, the second flat surface and the third flat surfaces, the first flat surface partially overlaps and contacts one of the third flat surfaces, and the second flat surface partially overlaps and contacts the other one of the third flat surfaces, wherein the third flat surfaces partially overlap and contact the top surface of the substrate at the first flat surface of the first electrode and the second flat surface of the second electrode;

a light valve, adapted to convert the illumination beam into an image beam; and
a lens, adapted to project the image beam,
wherein the pin connector has a base, the base is disposed on the substrate, and along a direction parallel to the second axial direction, a width of the substrate of the light emitting diode element is less than a width of the base of the pin connector.

12. The projector as claimed in claim 11 , wherein each of the joints comprises a first end portion, a second end portion, and a bending portion, the bending portion is connected between the first end portion and the second end portion, the first end portion and the corresponding connection pin are mutually plugged along the first axial direction, and each of the wires extends out from the corresponding second end portion along the second axial direction.

13. The projector as claimed in claim 11 , wherein a width of each of the connection pins is greater than or equal to 6 millimeters.

14. The projector as claimed in claim 11 , wherein the light emitting diode element is adapted to receive a current greater than or equal to 32 amperes through the pin connector.

15. The projector as claimed in claim 11 , wherein each of the connection pins has a plug section, and the plug section is parallel to the substrate and is plugged to the corresponding joint.

Assignees

• Liu I Ming
• Chang Fan Chieh
• Coretronic Corp

Inventors

• Liu I-Ming
• Chang Fan-Chieh

Classifications

• G03B21/20

  Lamp housings · CPC title

• H01R13/7175

  Light emitting diodes (LEDs) · CPC title

• G03B21/2033 Primary

  LED or laser light sources · CPC title

• F21V23/002 Primary

  Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm · CPC title

• F21V23/06

  the elements being coupling devices {, e.g. connectors} · CPC title