# US 2021/0279997 A1 · Decorative illumination device and game machine

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- Number: US 2021/0279997 A1
- Document ID: US20210279997A1
- Status: Published application
- Kind: A1
- Application number: 17/174,748
- Filed: 2021-02-12
- Published: 2021-09-09
- Earliest claimed: 2020-03-04
- Assignees: OMRON Corporation
- Applicants: OMRON Corporation
- Inventors: Hiroyuki ONITSUKA; Junya FUJITA; Takehiro AGATA
- Web page: https://patentgrep.com/patent/US20210279997A1

## CPC

- G07F 17/3211: {Display means}
- G02B 6/0055: {Reflecting element, sheet or layer}
- G02B 6/0068: {Arrangements of plural sources, e.g. multi-colour light sources}
- G02B 6/0075: {Arrangements of multiple light guides (G02B6/0028 takes precedence)}
- G02B 6/0088: {of the light guide or other optical sheets in the package}
- G02B 6/0021: {for housing at least a part of the light source, e.g. by forming holes or recesses}
- G02B 6/0036: {2-D arrangement of prisms, protrusions, indentations or roughened surfaces}
- G02B 6/0045: {by shaping at least a portion of the light guide}
- G07F: COIN-FREED OR LIKE APPARATUS (coin sorting G07D3/00; coin testing G07D5/00; {handling coins or paper currencies apart from payment activated apparatus G07D; payment architectures, schemes or protocols G06Q20/00})
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

## Abstract

A long decorative illumination device according to one or more embodiments may include a plurality of light guide plates configured to reflect light entering therein from an end surface thereof with reflection surfaces formed in recesses thereon, and causing the light to be emitted from a light emitting surface thereof; a plurality of light sources provided corresponding to the plurality of light guide plates; and a long window part open from at least two directions of the front surface and side surfaces of the decorative illumination device; and the plurality of light guide plates is slanted with gaps therebetween, so that in the slanted state the light emitting surfaces thereof are oriented toward the window part.

## Claims

### Claim 1

A long decorative illumination device comprising:
a plurality of light guide plates configured to reflect light entering from an end surface thereof with reflection surfaces formed in recesses, and causing the light to be emitted from a light emitting surface;
a plurality of light sources corresponding to the plurality of light guide plates; and
a long window part open from at least two directions of a front surface and side surfaces of the decorative illumination device; wherein
the plurality of light guide plates is slanted with gaps therebetween, such that in the slanted state the light emitting surfaces thereof are oriented toward the window part.

### Claim 2 (depends on 1)

The decorative illumination device according to claim 1, further comprising a mirror part that reflects light, the mirror part provided on an inner wall that divides the internal space where the plurality of light guide plates is arranged.

### Claim 3 (depends on 1)

The decorative illumination device according to claim 1, wherein the window part comprises a half-mirror part that reflects light and transmits light.

### Claim 4 (depends on 1)

The decorative illumination device according to claim 1, further comprising a mirror part that reflects light, wherein
the mirror part is provided on an inner wall that divides the internal space where the plurality of light guide plates is arranged; and
the window part comprises a half-mirror part that reflects light and transmits light.

### Claim 5 (depends on 1)

The decorative illumination device according to claim 1, wherein
the decorative illumination device is elongated and long in a vertical direction; and
the plurality of light guide plates is arranged in the vertical direction, in a slanted state in which a rear part thereof is higher than a front part thereof such that the light emitting surfaces are oriented toward the window part.

### Claim 6 (depends on 2)

The decorative illumination device according to claim 2, wherein
the decorative illumination device is elongated and long in the vertical direction; and
the plurality of light guide plates is arranged in the vertical direction, in a slanted state in which the rear part thereof is higher than the front part thereof such that the light emitting surfaces are oriented toward the window part.

### Claim 7 (depends on 3)

The decorative illumination device according to claim 3, wherein
the decorative illumination device is elongated and long in the vertical direction; and
the plurality of light guide plates is arranged in the vertical direction, in a slanted state in which the rear part thereof is higher than the front part thereof such that the light emitting surfaces are oriented toward the window part.

### Claim 8 (depends on 4)

The decorative illumination device according to claim 4, wherein
the decorative illumination device is elongated and long in the vertical direction; and
the plurality of light guide plates is arranged in the vertical direction, in a slanted state in which the rear part thereof is higher than the front part thereof such that the light emitting surfaces are oriented toward the window part.

### Claim 9 (depends on 1)

A game machine comprising:
a main game unit; and
a decorative illumination device according to claim 1 installed on an enclosure of the main game unit.

### Claim 10 (depends on 2)

A game machine comprising:
a main game unit; and
a decorative illumination device according to claim 2 installed on an enclosure of the main game unit.

### Claim 11 (depends on 3)

A game machine comprising:
a main game unit; and
a decorative illumination device according to claim 3 installed on an enclosure of the main game unit.

### Claim 12 (depends on 4)

A game machine comprising:
a main game unit; and
a decorative illumination device according to claim 4 installed on an enclosure of the main game unit.

### Claim 13 (depends on 5)

A game machine comprising:
a main game unit; and
a decorative illumination device according to claim 5 installed on an enclosure of the main game unit.

### Claim 14 (depends on 6)

A game machine comprising:
a main game unit; and
a decorative illumination device according to claim 6 installed on an enclosure of the main game unit.

### Claim 15 (depends on 7)

A game machine comprising:
a main game unit; and
a decorative illumination device according to claim 7 installed on an enclosure of the main game unit.

### Claim 16 (depends on 8)

A game machine comprising:
a main game unit; and
a decorative illumination device according to claim 8 installed on an enclosure of the main game unit.
