# US 12,003,842 B2 · Light-emitting module and camera module

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- Number: US 12,003,842 B2
- Document ID: US12003842B2
- Status: Granted
- Kind: B2
- Application number: 17/938,814
- Filed: 2022-10-07
- Published: 2023-02-02
- Granted: 2024-06-04
- Earliest claimed: 2018-09-13
- Assignees: LG Innotek Co., Ltd.
- Applicants: LG Innotek Co., Ltd.
- Inventors: Kang Yeol Park; Hee Se Lee; Sung Phil Kim
- Web page: https://patentgrep.com/patent/US12003842B2

## CPC

- H04M 1/0264: {for a camera module assembly}
- H04N 23/56: provided with illuminating means
- F21V 5/045: {the lens having discontinuous faces, e.g. Fresnel lenses}
- F21V 33/0052: {Audio or video equipment, e.g. televisions, telephones, cameras or computers; Remote control devices therefor}
- G02B 3/0056: {arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses (G02B3/0043 takes precedence; miniaturised objectives for electronic devices employing wafer level optics G02B13/0085)}
- G02B 5/0278: {used in transmission}
- G02B 7/022: {lens and mount having complementary engagement means, e.g. screw/thread}
- G02B 7/023: {permitting adjustment}
- G02B 19/0014: {at least one surface having optical power}
- G02B 19/0052: {the light source comprising a laser diode (coupling into light guides using intermediate optical elements G02B6/4204; semiconductor lasers having optical devices external to the laser cavity H01S5/005)}
- G02B 19/0076: {for use with a detector (G02B19/009, G02B19/0095 take precedence)}
- G03B 15/05: Combinations of cameras with electronic flash apparatus; Electronic flash units
- G03B 30/00: Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
- H04N 23/55: Optical parts specially adapted for electronic image sensors; Mounting thereof
- H04N 23/57: Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
- G02B 7/006: {Filter holders}
- G03B 2215/0503: Built-in units
- G03B 2215/0592: installed in front of light emitter
- H04M 1/22: Illumination; Arrangements for improving the visibility of characters on dials
- H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08)
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION
- F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D)

## Abstract

The present embodiment relates to a light-emitting module comprising: a substrate; a light source which is arranged on the substrate and emits laser light; a holder arranged on the substrate; a diffuser lens arranged in the holder and over the light source; and a diffuser ring for supporting the diffuser lens, wherein the diffuser lens comprises a plurality of microlenses, and the holder comprises an opening formed above the diffuser lens and a stopping protrusion for inhibiting the diffuser lens from being separated through the opening.

## Claims

### Claim 1

A light emitting module comprising:
a substrate;
a light source disposed above the substrate and configured to emit laser light;
a holder disposed above the substrate;
a diffuser lens disposed in the holder and disposed above the light source; and
a diffuser ring disposed between the diffuser lens and the light source,
wherein the diffuser lens comprises a plurality of micro lenses,
wherein the diffuser lens comprises a protruding portion protruding from an outer peripheral surface of the diffuser lens, and
wherein the holder comprises a first groove accommodating at least a portion of the protruding portion of the diffuser lens.

### Claim 2 (depends on 1)

The light emitting module of claim 1, wherein the holder comprises an opening formed above the diffuser lens and a stopping protrusion configured to inhibit the diffuser lens from being separated through the opening.

### Claim 3 (depends on 2)

The light emitting module of claim 2, wherein an upper surface of the diffuser lens is greater than a size of the opening.

### Claim 4 (depends on 2)

The light emitting module of claim 2, wherein at least a portion of the opening is defined by at least a portion of the stopping protrusion.

### Claim 5 (depends on 1)

The light emitting module of claim 1, wherein the diffuser ring comprises a support portion in contact with a lower portion of the diffuser lens, and a ring portion protruding from an outer periphery of the support portion.

### Claim 6 (depends on 5)

The light emitting module of claim 5, wherein the diffuser lens comprises a lens portion and a flange portion disposed on an outer periphery of the lens portion.

### Claim 7 (depends on 6)

The light emitting module of claim 6, wherein the diffuser lens comprises a protrusion protruding from a portion of a lower surface of the flange portion.

### Claim 8 (depends on 7)

The light emitting module of claim 7, wherein the protrusion has a ring shape.

### Claim 9 (depends on 7)

The light emitting module of claim 7, wherein a gap is formed in at least a portion between the diffuser lens and the diffuser ring by the protrusion.

### Claim 10 (depends on 7)

The light emitting module of claim 7, wherein the protrusion is formed closer to an inner peripheral surface than to an outer peripheral surface of the flange portion.

### Claim 11 (depends on 1)

The light emitting module of claim 1, wherein a portion of the diffuser lens is disposed between the diffuser ring and the stopping protrusion of the holder in a vertical direction.

### Claim 12 (depends on 11)

The light emitting module of claim 11, wherein the diffuser ring comprises a protruding portion protruding from an outer peripheral surface of the diffuser ring, and
wherein the holder comprises a second groove accommodating at least a portion of the protruding portion of the diffuser ring.

### Claim 13 (depends on 12)

The light emitting module of claim 12, wherein at least a portion of the protruding portion of the diffuser ring is overlapped with the protruding portion of the diffuser lens in a vertical direction.

### Claim 14 (depends on 1)

A camera module comprising:
the light emitting module of claim 1;
a sensor disposed on the substrate; and
a lens coupled with the holder and disposed above the sensor,
wherein the holder comprises a partition wall, and
wherein the light source is disposed at one side of the partition wall and the sensor is disposed at an other side of the partition wall.

### Claim 15 (depends on 14)

An optical apparatus comprising:
a main body;
the camera module of claim 14 disposed on the main body; and
a display disposed on the main body and configured to output an information captured by the camera module.
