# US 10,502,890 B2 · Display device and wall-mounted heat dissipation mechanism thereof

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- Number: US 10,502,890 B2
- Document ID: US10502890B2
- Status: Granted
- Kind: B2
- Application number: 15/909,555
- Filed: 2018-03-01
- Published: 2019-07-04
- Granted: 2019-12-10
- Earliest claimed: 2017-12-29
- Assignees: Huizhou China Star Optoelectronics Technology Co., Ltd.
- Applicants: Huizhou China Star Optoelectronics Technology Co., Ltd.
- Inventors: Mingjun Zhou
- Web page: https://patentgrep.com/patent/US10502890B2

## CPC

- G02B 6/0085: {Means for removing heat created by the light source from the package}
- F21V 29/59: {with forced flow of the coolant}
- F21V 29/673: {the fans being used for intake}
- F21V 29/74: with fins or blades
- G02B 6/009: {of the light source in the package (G02B6/0021 takes precedence)}
- G02B 6/0091: {of the light source relative to the light guide (G02B6/0021 takes precedence)}
- G02F 1/133615: {Edge-illuminating devices, i.e. illuminating from the side}
- G02B 6/0086: {Positioning aspects}
- G02F 1/133628: {with cooling means}
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS

## Abstract

The present disclosure discloses a display device and a mechanism thereof, the wall-mounted heat dissipation mechanism includes: a heat dissipation plate including a longitudinal plate and a transverse plate bended to each other, a LED light bar attached to an inner surface of the longitudinal plate, the transverse plate is arranged opposite to a back surface of the light guide plate; a hanger including a first hanger fixed on a hanging wall and two second hangers respectively fixed on two ends of the first hanger at intervals, the second hanger is configured to detachably connect with the heat dissipation plate; and a heat dissipation mechanism fixed on the first hanger and disposed between the two second hangers, the heat dissipation mechanism being in surface contact with a back surface of the heat dissipation plate. The bulky part of the mechanism is integrated into the hanger structure of the display device.

## Claims

### Claim 1

A wall-mounted heat dissipation mechanism for a display device, wherein an LED light bar is disposed at a light incident end of a light guide plate and opposite to the light guide plate, and the wall-mounted heat dissipation mechanism comprises:
a heat dissipation plate comprising a longitudinal plate and a transverse plate bended to each other, the LED light bar is attached to an inner surface of the longitudinal plate, and the transverse plate is arranged opposite to a back surface of the light guide plate;
a hanger comprising a first hanger fixed on a hanging wall and two second hangers respectively fixed on two ends of the first hanger at intervals, the two second hangers are configured to detachably connect with the heat dissipation plate; and
a heat dissipation mechanism fixed on the first hanger and disposed between the two second hangers, the heat dissipation mechanism being in surface contact with a back surface of the heat dissipation plate.

### Claim 2 (depends on 1)

The wall-mounted heat dissipation mechanism for a display device according to claim 1, wherein the heat dissipation mechanism comprises a plurality of heat dissipation fins arranged at intervals, and the heat dissipation fins are in contact with the back surface of the heat dissipation plate.

### Claim 3 (depends on 2)

The wall-mounted heat dissipation mechanism for a display device according to claim 2, wherein a portion of the first hanger on which the heat dissipation mechanism is fixed is hollowed out.

### Claim 4 (depends on 3)

The wall-mounted heat dissipation mechanism for a display device according to claim 3, wherein the heat dissipation mechanism further comprises a heat dissipation fan for exhausting air in a direction away from the heat dissipation plate.

### Claim 5 (depends on 4)

The wall-mounted heat dissipation mechanism for a display device according to claim 4, wherein the plurality of heat dissipation fins surround a periphery of the heat dissipation fan.

### Claim 6 (depends on 1)

The wall-mounted heat dissipation mechanism for a display device according to claim 1, further comprising a first water cooling pipe and a water pump connected to each other, the first water cooling pipe is bent back and forth to cover a surface of the longitudinal plate facing away from the LED light bar and is configured to supply cooling liquid to flow through the longitudinal plate to take heat of the longitudinal plate away when the water pump supplying the cooling liquid.

### Claim 7 (depends on 6)

The wall-mounted heat dissipation mechanism for a display device according to claim 6, wherein the heat dissipation mechanism further comprises a second water cooling pipe and a third water cooling pipe connected with the first water cooling pipe, the second water cooling pipe and the third water cooling pipe are reciprocally bent and disposed between the two second hangers, respectively for conveying high-temperature cooling liquid from a side of the longitudinal plate to a side of the first water cooling pipe, and for conveying low-temperature cooling liquid from the side of the first water cooling pipe to the side of the longitudinal plate.

### Claim 8 (depends on 7)

The wall-mounted heat dissipation mechanism for a display device according to claim 7, wherein the second water cooling pipe and the third water cooling pipe respectively extend from a corresponding side of the second hanger near two sides thereof toward a middle portion thereof.

### Claim 9 (depends on 2)

The wall-mounted heat dissipation mechanism for a display device according to claim 2, further comprising a first water cooling pipe and a water pump connected to each other, the first water cooling pipe is bent back and forth to cover a surface of the longitudinal plate facing away from the LED light bar and is configured to supply cooling liquid to flow through the longitudinal plate to take heat of the longitudinal plate away when the water pump supplying the cooling liquid.

### Claim 10 (depends on 9)

The wall-mounted heat dissipation mechanism for a display device according to claim 9, wherein the heat dissipation mechanism further comprises a second water cooling pipe and a third water cooling pipe connected with the first water cooling pipe, the second water cooling pipe and the third water cooling pipe are reciprocally bent and disposed between the two second hangers, respectively for conveying high-temperature cooling liquid from a side of the longitudinal plate to a side of the first water cooling pipe, and for conveying low-temperature cooling liquid from the side of the first water cooling pipe to the side of the longitudinal plate.

### Claim 11 (depends on 10)

The wall-mounted heat dissipation mechanism for a display device according to claim 10, wherein the second water cooling pipe and the third water cooling pipe respectively extend from a corresponding side of the second hanger near two sides thereof toward a middle portion thereof.

### Claim 12 (depends on 3)

The wall-mounted heat dissipation mechanism for a display device according to claim 3, further comprising a first water cooling pipe and a water pump connected to each other, the first water cooling pipe is bent back and forth to cover a surface of the longitudinal plate facing away from the LED light bar and is configured to supply cooling liquid to flow through the longitudinal plate to take heat of the longitudinal plate away when the water pump supplying the cooling liquid.

### Claim 13 (depends on 12)

The wall-mounted heat dissipation mechanism for a display device according to claim 12, wherein the heat dissipation mechanism further comprises a second water cooling pipe and a third water cooling pipe connected with the first water cooling pipe, the second water cooling pipe and the third water cooling pipe are reciprocally bent and disposed between the two second hangers, respectively for conveying high-temperature cooling liquid from a side of the longitudinal plate to a side of the first water cooling pipe, and for conveying low-temperature cooling liquid from the side of the first water cooling pipe to the side of the longitudinal plate.

### Claim 14 (depends on 13)

The wall-mounted heat dissipation mechanism for a display device according to claim 13, wherein the second water cooling pipe and the third water cooling pipe respectively extend from a corresponding side of the second hanger near two sides thereof toward a middle portion thereof.

### Claim 15

A display device, comprising a light guide plate, a LED light bar and a wall-mounted heat dissipation mechanism, wherein the LED light bar is disposed at a light incident end of the light guide plate and opposite to the light guide plate, the wall-mounted heat dissipation mechanism comprises:
a heat dissipation plate comprising a longitudinal plate and a transverse plate bended to each other, the LED light bar is attached to an inner surface of the longitudinal plate, and the transverse plate is arranged opposite to a back surface of the light guide plate;
a hanger comprising a first hanger fixed on a hanging wall and two second hangers respectively fixed on two ends of the first hanger at intervals, the two second hangers are configured to detachably connect with the heat dissipation plate; and
a heat dissipation mechanism fixed on the first hanger and disposed between the two second hangers, the heat dissipation mechanism being in surface contact with a back surface of the heat dissipation plate.

### Claim 16 (depends on 15)

The display device according to claim 15, further comprising a back plate, the back plate is sandwiched between the light guide plate and the transverse plate.

### Claim 17 (depends on 15)

The display device according to claim 15, wherein the heat dissipation mechanism comprises a plurality of heat dissipation fins arranged at intervals and a heat dissipation fan for exhausting air in a direction away from the heat dissipation plate, the heat dissipation fins are in contact with the back surface of the heat dissipation plate, a portion of the first hanger on which the heat dissipation mechanism is fixed is hollowed out, and the plurality of heat dissipation fins surround a periphery of the heat dissipation fan.

### Claim 18 (depends on 17)

The display device according to claim 17, wherein the wall-mounted heat dissipation mechanism further comprises a first water cooling pipe and a water pump connected to each other, the first water cooling pipe is bent back and forth to cover a surface of the longitudinal plate facing away from the LED light bar and is configured to supply cooling liquid to flow through the longitudinal plate to take heat of the longitudinal plate away when the water pump supplying the cooling liquid.

### Claim 19 (depends on 18)

The display device according to claim 18, wherein the heat dissipation mechanism further comprises a second water cooling pipe and a third water cooling pipe connected with the first water cooling pipe, the second water cooling pipe and the third water cooling pipe are reciprocally bent and disposed between the two second hangers, respectively for conveying high-temperature cooling liquid from a side of the longitudinal plate to a side of the first water cooling pipe, and for conveying low-temperature cooling liquid from the side of the first water cooling pipe to the side of the longitudinal plate.

### Claim 20 (depends on 19)

The display device according to claim 19, wherein the second water cooling pipe and the third water cooling pipe respectively extend from a corresponding side of the second hanger near two sides thereof toward a middle portion thereof.
