# US 11,306,892 B2 · Vehicle lamp III-zone illumination structure, vehicle lamp condenser, automobile illumination module and automobile

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- Number: US 11,306,892 B2
- Document ID: US11306892B2
- Status: Granted
- Kind: B2
- Application number: 17/292,884
- Filed: 2019-10-11
- Published: 2021-12-30
- Granted: 2022-04-19
- Earliest claimed: 2019-05-21
- Assignees: Hasco Vision Technology Co., Ltd.
- Applicants: Hasco Vision Technology Co., Ltd.
- Inventors: Hui Li; He Zhu; Zhiping Qiu; Weigang Gong; Rui Nie
- Web page: https://patentgrep.com/patent/US11306892B2

## CPC

- F21S 41/285: {Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805}
- B60Q 1/1415: {Dimming circuits}
- F21S 41/148: the main emission direction of the LED being perpendicular to the optical axis
- F21S 41/151: arranged in one or more lines
- F21S 41/255: Lenses with a front view of circular or truncated circular outline
- F21S 41/30: characterised by reflectors
- F21S 41/321: {the reflector being a surface of revolution or a planar surface, e.g. truncated}
- F21S 41/322: {the reflector using total internal reflection}
- F21S 41/43: characterised by the shape thereof
- F21S 41/663: by switching light sources (by switching incandescent light sources F21S41/162)
- F21W 2102/135: the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions
- F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- B60Q: ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- F21W: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS

## Abstract

Provided are a vehicle lamp III-zone illumination structure, vehicle lamp condenser, automobile illumination module, and automobile. The illumination structure comprises a III-zone light-incident part and a III-zone light-emitting part, sequentially arranged along the direction of incidence of light beams; The light-incident part comprises two light-transmitting tabs distributed in the horizontal direction; each tab comprises a III-zone light-incident surface, and the structure of the tabs is suitable for forming a light expansion profile, the normal direction of the light-incident surface faces the light-emitting part; the III-zone forming light beams are incident on the light-incident surface, and after being diffused by the light-incident surface, illuminate toward the light-emitting part, and are emitted via the light-emitting part. Also provided are a vehicle lamp condenser of the illumination structure, an automobile illumination module comprising the vehicle lamp condenser, an automobile illumination apparatus comprising the automobile illumination module, and an automobile comprising the automobile illumination apparatus.

## Claims

### Claim 1

A vehicle lamp condenser, comprising a high beam incident portion, an oblique reflecting surface, a condenser upper surface, and a front-back optical channel, and further comprising a vehicle lamp III-zone illumination structure, comprising an III-zone light incident portion and an III-zone light emitting portion which are sequentially arranged along a light incidence direction, wherein
the III-zone light incident portion comprises at least two light transmission pieces distributed in a horizontal direction, each of the light transmission pieces comprises an III-zone light incident surface, and the structure of the light transmission piece is suitable for forming light extension profile, and a normal direction of the III-zone light incident surface is toward the III-zone light emitting portion; and
light forming an III-zone is incident to the III-zone light incident surfaces, and after being diffused via the III-zone light incident surfaces, light is emitted to the III-zone light emitting portion and finally emitted via the III-zone light emitting portion.

### Claim 2 (depends on 1)

The vehicle lamp condenser according to claim 1, wherein the light transmission piece is of concave curved surface structure or convex curved surface structure, and the light extension profile comprises an III-zone horizontal extension profile which is formed by cross-sectional profile of the light transmission piece in a horizontal direction and/or an III-zone vertical extension profile which is formed by cross-sectional profile of the light transmission piece in a vertical direction.

### Claim 3 (depends on 2)

The vehicle lamp condenser according to claim 2, wherein the III-zone horizontal extension profile and/or the III-zone vertical extension profile is a arc having radius R being smaller than or equal to 5 mm.

### Claim 4 (depends on 1)

The vehicle lamp condenser according to claim 1, wherein a plurality of light transmission pieces are sequentially arranged continuously or at intervals.

### Claim 5 (depends on 1)

The vehicle lamp condenser according to claim 1, wherein size of the III-zone light incident surface in the horizontal and/or the vertical direction is 0.5-2 mm.

### Claim 6 (depends on 1)

The vehicle lamp condenser according to claim 1, wherein the III-zone light emitting portion is of a concave cambered surface structure with a continuous curvature.

### Claim 7 (depends on 1)

The vehicle lamp condenser according to claim 1, wherein one end of the oblique reflecting surface is connected to the high beam incident portion and the other end of the oblique reflecting surface is connected to the condenser upper surface; the III-zone light incident portion is arranged at one side, in proximity to the condenser upper surface, of an upper surface of the oblique reflecting surface, and the III-zone light emitting portion is arranged at an end part, away from the oblique reflecting surface, of one end of the condenser upper surface; and the front-back optical channel is arranged between the III-zone light emitting portion and the oblique reflecting surface.

### Claim 8 (depends on 1)

The vehicle lamp condenser according to claim 1, wherein the high beam incident portion comprises at least one condensing cup-like structure, a concave cavity is formed at a center of the condensing cup-like structure, a cross section of an outer profile of the condensing cup-like structure gradually increases along a light emitting direction, and a normal direction of a light incident surface of the high beam incident portion is a vertical direction.

### Claim 9 (depends on 1)

The vehicle lamp condenser according to claim 1, wherein the vehicle lamp condenser further comprises a 50 L dark area forming structure which is arranged in middle of a front end of the condenser upper surface and/or a cut-off line forming structure which is arranged at an intersection of the condenser upper surface and the III-zone light emitting portion.

### Claim 10 (depends on 1)

The vehicle lamp condenser according to claim 1, wherein the high beam incident portion, the oblique reflecting surface, the condenser upper surface and the front-back optical channel are formed integrally, and the vehicle lamp condenser is molded by transparent plastic, silicone or glass.

### Claim 11 (depends on 1)

An automobile illumination module, comprising a high beam circuit board, a reflecting mirror, a low beam circuit board and a lens, and further comprising the vehicle lamp condenser according to claim 1.

### Claim 12 (depends on 1)

The vehicle lamp condenser according to claim 1, wherein the light transmission piece is of concave curved surface structure or convex curved surface structure, and the light extension profile comprises an III-zone horizontal extension profile which is formed by cross-sectional profile of the light transmission piece in a horizontal direction and/or an III-zone vertical extension profile which is formed by cross-sectional profile of the light transmission piece in a vertical direction.

### Claim 13 (depends on 1)

The vehicle lamp condenser according to claim 1, wherein a plurality of light transmission pieces are sequentially arranged continuously or at intervals.

### Claim 14 (depends on 1)

The vehicle lamp condenser according to claim 1, wherein the III-zone light emitting portion is of a concave cambered surface structure with a continuous curvature.

### Claim 15 (depends on 12)

The automobile illumination module according to claim 12, wherein one end of the oblique reflecting surface is connected to the high beam incident portion and the other end of the oblique reflecting surface is connected to the condenser upper surface; the III-zone light incident portion is arranged at one side, in proximity to the condenser upper surface, of an upper surface of the oblique reflecting surface, and the III-zone light emitting portion is arranged at an end part, away from the oblique reflecting surface, of one end of the condenser upper surface; and the front-back optical channel is arranged between the III-zone light emitting portion and the oblique reflecting surface.

### Claim 16 (depends on 11)

The automobile illumination module according to claim 11, wherein the high beam incident portion comprises at least one condensing cup-like structure, a concave cavity is formed at a center of the condensing cup-like structure, a cross section of an outer profile of the condensing cup-like structure gradually increases along a light emitting direction, and a normal direction of a light incident surface of the high beam incident portion is a vertical direction.

### Claim 17 (depends on 12)

The automobile illumination module according to claim 12, wherein the vehicle lamp condenser further comprises a 50 L dark area forming structure which is arranged in middle of a front end of the condenser upper surface and/or a cut-off line forming structure which is arranged at an intersection of the condenser upper surface and the III-zone light emitting portion.

### Claim 18 (depends on 11)

The automobile illumination module according to claim 11, wherein the light transmission piece is of concave curved surface structure or convex curved surface structure, and the light extension profile comprises an III-zone horizontal extension profile which is formed by cross-sectional profile of the light transmission piece in a horizontal direction and/or an III-zone vertical extension profile which is formed by cross-sectional profile of the light transmission piece in a vertical direction.

### Claim 19 (depends on 11)

The automobile illumination module according to claim 11, wherein a plurality of light transmission pieces are sequentially arranged continuously or at intervals.