# US 12,120,858 B2 · Picture generation apparatus using heatsink dissipating system

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- Number: US 12,120,858 B2
- Document ID: US12120858B2
- Status: Granted
- Kind: B2
- Application number: 18/348,560
- Filed: 2023-07-07
- Published: 2024-04-18
- Granted: 2024-10-15
- Earliest claimed: 2022-10-05
- Assignees: Hyundai Mobis Co., Ltd.
- Applicants: Hyundai Mobis Co., Ltd.
- Inventors: Hyun Woo Kang
- Web page: https://patentgrep.com/patent/US12120858B2

## CPC

- H05K 7/20963: {Heat transfer by conduction from internal heat source to heat radiating structure (H05K7/20972 takes precedence)}
- G02B 27/0101: {characterised by optical features (G02B27/0172 takes precedence)}
- G02B 2027/0152: {involving arrangement aiming to get lighter or better balanced devices}
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

## Abstract

A picture generation apparatus using a heat sink dissipating system is disclosed. An embodiment of the present disclosure provides a picture generation apparatus including a PCB on which one or more light sources are disposed; a funnel configured to focus light of the light sources emitted from the PCB, and to reflect the focused light of the light sources to a user; and a heat sink comprising a cup-shaped accommodating part to accommodate the PCB and the funnel, and a polygonal flange part formed on an end thereof.

## Claims

### Claim 1

A picture generation apparatus comprising:
a printed circuit board (PCB);
one or more light sources disposed on the PCB and configured to emit light;
a funnel configured to focus the light emitted from the one or more light sources and reflect the focused light to a user; and
a heat sink configured to dissipate heat from the PCB, the heat sink comprising (1) an accommodating part shaped to define an accommodating space and having an opening exposing the accommodating space, and (2) a polygonal flange part extending outwardly from the accommodating part and surrounding the opening of the accommodating part, wherein the PCB and the funnel are disposed at the accommodating space of the heat sink.

### Claim 2 (depends on 1)

The picture generation apparatus of claim 1, wherein the accommodating part comprises a plurality of embossing portions disposed on a lower end surface of the accommodating part and configured to fix the funnel to the heat sink.

### Claim 3 (depends on 1)

The picture generation apparatus of claim 1, wherein the heat sink comprises an aluminum material having an aluminum content of about 99% or more.

### Claim 4 (depends on 1)

The picture generation apparatus of claim 1, wherein the heat sink has thermal conductivity ranging between about 140 W/mK to about 180 W/mK.

### Claim 5 (depends on 1)

The picture generation apparatus of claim 1, wherein the heat sink has a weight equal to or less than 100 g.

### Claim 6 (depends on 1)

The picture generation apparatus of claim 1, wherein the funnel comprises a plurality of fixing members configured to fix the funnel and the PCB to the heat sink.

### Claim 7 (depends on 6)

The picture generation apparatus of claim 6, wherein each of the plurality of fixing members has a hook shape.

### Claim 8

A picture generation apparatus comprising:
a printed circuit board (PCB);
one or more light sources disposed on the PCB and configured to emit light;
a funnel configured to focus the light emitted from the one or more light sources and reflect the focused light to a user; and
a heat sink comprising (1) a cup-shaped accommodating part configured to accommodate the PCB and the funnel, and (2) a polygonal flange part disposed at an end portion of the heat sink,
wherein the accommodating part includes a hole disposed on a lower end surface of the accommodating part and configured to conjoin the funnel and the heat sink.

### Claim 9 (depends on 8)

The picture generation apparatus of claim 8, wherein:
the hole comprises a plurality of holes, and
the plurality of holes comprise at least one slot hole configured to permit an assembly tolerance.

### Claim 10

A picture generation apparatus comprising:
a printed circuit board (PCB);
one or more light sources disposed on the PCB and configured to emit light;
a funnel configured to focus the light emitted from the one or more light sources and reflect the focused light to a user; and
a heat sink comprising (1) a cup-shaped accommodating part configured to accommodate the PCB and the funnel, and (2) a polygonal flange part disposed at an end portion of the heat sink,
wherein the accommodating part further comprises a hole disposed on a lower end surface of the accommodating part and configured to fix the funnel and the PCB to the accommodating part.