TW201420945A - Light signaling device - Google Patents

Abstract

The present invention discloses a light signaling device, which includes an encloser, a light guide plate, a plurality of light sources, and a rear cover. The encloser is coupled to the rear cover to receive the light guide plate and the light sources therebetween. The encloser includes a base plate which defines a light through portion. The light sources include a plurality of pointolites which are respectively configured for emitting different colored lights. Each of the pointolites is mounted at a side of the light guide plate. The light guide plate forms planar light using the lights emitted by the pointolites. The planner light emits out of the encloser through the light through portion.

Description

Optical signal device

The present invention relates to an optical signal device.

Generally, light signal lights, such as lighting headlights, turning signal lights, and automobile taillights, which are hung outside the car, mostly use multiple filament bulbs to form a light source, which lacks aesthetics and takes up large electric load of the car, and also in terms of luminous color. It is relatively fixed and can only realize the basic signal indication function of the light signal lamp, and it is difficult to meet the requirements of all consumers for aesthetic or other extended functions.

In view of the above, it is necessary to provide an optical signal device. The optical signal device comprises a cover, a light guide plate, a light source and a back cover. The cover cooperates with the back cover to fix the light guide plate and the light source between the cover and the back cover. The cover includes a bottom wall, the bottom wall defines a light-passing portion, the light source includes a plurality of point light sources for emitting light of different colors, and is disposed on a side of the light-incident surface of the light guide plate, the light guide plate is configured to the plurality of point light sources The emitted light rays of each color form planar light that is emitted from the light passing portion.

It is also necessary to provide a car comprising a housing and at least one optical signal device, wherein the at least one optical signal device is disposed corresponding to the housing such that the optical signal emitted by the at least one optical signal device can be transmitted out of the vehicle through the housing. The light signal device comprises a cover, a light guide plate, a light source and a back cover, the cover cooperates with the back cover to fix the light guide plate and the light source between the cover and the back cover, the cover comprises a bottom wall, the bottom wall is opened a light-passing portion, the light source includes a plurality of point light sources, and is disposed on a side of the light-incident surface of the light guide plate, wherein the light guide plate forms light of the plurality of point light sources to form planar light, and the planar light passes through the light-passing portion and the shell The body is shot.

Compared with the prior art, the optical signal device of the present invention is provided with a light guide plate, and a point light source for emitting light of different colors is disposed on the light incident surface side of the light guide plate, while realizing the basic signal indicating function of the optical signal device. , can further meet the user's demand for aesthetics.

Please refer to FIG. 1 to FIG. 3 , which are schematic diagrams of an optical signal device 100 according to a preferred embodiment of the present invention. The optical signal device 100 can be used on any desired external object. In a preferred embodiment, the optical signal device 100 is used in a car. For example, the optical signal device 100 can be used as, but not limited to, a turn signal lamp, a brake light, a rear license plate lighting device (a license plate light), a front position light, a rear position light, a hazard warning light, a backup light, a parking vehicle Lights, position lights, side marker lights, etc. This embodiment will be described by taking an example in which the optical signal device 100 is used in an automobile.

The optical signal device 100 includes a housing 10, a light guide plate 30, a light source 31, a reflection sheet 40, and a rear cover 60. The cover 10 is engaged with the rear cover 60 to fix the light guide plate 30, the light source 31, and the reflection sheet 40 between the cover 10 and the back cover 60. In the present embodiment, the cover 10, the light guide plate 30, the reflection sheet 40, and the rear cover 60 are stacked in this order, and the light source 31 is provided on one side of the light guide plate 30.

The outer cover 10 includes a bottom wall 110 and upper side walls 101, lower side walls 102, left side walls 103 and right side walls 104 extending from one side of the bottom wall 110 toward one side. The bottom wall 110, the upper side wall 101, the lower side wall 102, the left side wall 103, and the right side wall 104 define a receiving space for receiving the light guide plate 30, the light source 31, and the reflection sheet 40. The bottom wall 110 defines a light-passing portion 105. The light-passing portion 105 is disposed corresponding to the light guide plate 30 to facilitate light emission. In one embodiment, the light-passing portion 105 may be a light-transmitting plate made of a transparent material such as transparent plastic or glass. In other embodiments, the light passing portion may also be a hollow light transmission hole.

The outer cover 10 further includes a first fixing portion 111 and a second fixing portion 112 extending outward from the left side wall 103 and the right side wall 104, respectively. At least one mounting hole 11 and at least one first fixing hole 12 are respectively disposed on the first fixing portion 111 and the second fixing portion 112. At least one mounting post 61 and at least one second fixing hole 62 are respectively disposed at opposite ends of the rear cover 60. In one embodiment, the mounting post 61 is a hot-melt column. After the light guide plate 30, the light source 31, and the reflective sheet 40 are mounted in the receiving space, the mounting post can be fixed in the mounting hole by means of hot melt or the like. To relatively fix the outer cover 10 and the rear cover 60. The second fixing hole 62 corresponds to the first fixing hole 12 . The first fixing hole 12 cooperates with the second fixing hole 62 for fixing the assembled optical signal device 100 to the automobile. For example, a lock fastener (such as a screw, not shown) is passed through the first fixing hole 12, the second fixing hole 62, and a lock provided on the automobile corresponding to the first fixing hole 12 and the second fixing hole 62. A solid hole (such as a screw hole, not shown) is used to fix the optical signal device 100 to the automobile.

The light guide plate 30 includes a light incident surface 32 , a light exit surface 33 adjacent to the light incident surface 32 , and a bottom surface 34 opposite to the light exit surface 33 . The light source 31 is disposed on the side of the light incident surface 32. The light source 31 includes a plurality of point light sources 310 that convert the light emitted by the point light source 310 into planar light and are emitted from the light passing portion 105 of the bottom wall 110. The reflection sheet 40 is located on the side of the bottom surface 34 to reflect the light emitted from the bottom surface 34 back into the light guide plate 30, thereby further improving the efficiency of use of light.

The plurality of point light sources 310 include light emitting diodes (LEDs) that respectively emit different colors of light. In a preferred embodiment, the plurality of point light sources 310 comprise at least one LED for emitting light of a first color, at least one LED for emitting light of a second color, and at least one LED for emitting light of a third color. . For example, as shown in FIG. 3, the plurality of point light sources 310 include a plurality of white (first color) LEDs, a plurality of yellow (second color) LEDs, and a plurality of blue (third color) LEDs. The plurality of white LEDs are spaced apart from the plurality of yellow LEDs and the plurality of blue LEDs, respectively. The light source 31 includes a plurality of point light sources respectively electrically connected to a controller (not shown) of the automobile, and the controller controls the light source 31 to emit different single color rays, such as legal colors such as red, white or yellow, according to requirements. While meeting the effects of various signal indicators, it also meets the user's need for aesthetics.

For example, as shown in FIG. 4, the optical signal device 100 can be mounted on a housing at the rear of the vehicle. Correspondingly, the automobile includes at least one fastener (not shown), and the casing of the automobile is provided with at least one locking hole (not shown) and the at least one first fixing hole 12 and the at least one second fixing The holes 62 correspond. The at least one fastener passes through the at least one first fixing hole 12, the at least one second fixing hole 62, and the at least one locking hole to mount the optical signaling device 100 on the housing. It should be understood that the optical signal device 100 is not limited to being mounted on a housing at the rear of the vehicle, and may be mounted on a housing of any part of the vehicle as needed.

Next, the light source device and the operation of the light source 31 will be described by taking the optical signal device 100 as an example. However, it can be understood that the manner of light emission and the effect of the optical signal device 100 are not limited to the following.

When the car is started, the white LED is continuously lit, and the brightness of the light is automatically adjusted according to the intensity of the ambient light, and the light signal device 100 emits white light;

When the car turns, the yellow LED flashes, and the light signal device 100 flashes yellow light to function as a steering indication;

When the car issues an anti-theft alarm, all LEDs flash at random until the anti-theft signal is turned off, posing a dangerous warning.

In addition, the optical signaling device 100 further includes a hollow first sealing rubber ring 20 and a second sealing rubber ring 50. The first sealing rubber ring 20 is caught between the edge of the bottom wall 110 and the edge of the light guide plate 30 to prevent the light exiting port from entering the water. The second sealant ring 50 surrounds the light guide plate 30, the light source 31, and the reflection sheet 40 between the outer cover 10 and the rear cover 60 to prevent impurities such as water and dust from entering the inside of the optical signal device 100.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art will be included in the following claims.

100. . . Optical signal device

10. . . Cover

20. . . First sealing apron

30. . . Light guide

31. . . light source

40. . . A reflective sheet

50. . . Second sealing rubber ring

60. . . Back cover

111. . . First fixed part

112. . . Second fixed part

11. . . Assembly hole

12. . . First fixing hole

110. . . Bottom wall

101. . . Upper side wall

102. . . Lower side wall

103. . . Left side wall

104. . . Right side wall

105. . . Light department

310. . . point Light

32. . . Glossy surface

33. . . Glossy surface

34. . . Bottom

61. . . Assembly column

62. . . Second fixing hole

1 and 2 are respectively perspective exploded views of the optical signal device of the present invention at different viewing angles.

3 is a schematic diagram showing the interval arrangement of different color point sources included in the light source of the optical signal device of the present invention.

4 is a schematic view of the optical signal device of the present invention mounted on a car.

100. . . Optical signal device

10. . . Cover

20. . . First sealing apron

30. . . Light guide

31. . . light source

40. . . A reflective sheet

50. . . Second sealing rubber ring

60. . . Back cover

111. . . First fixed part

112. . . Second fixed part

11. . . Assembly hole

12. . . First fixing hole

101. . . Upper side wall

102. . . Lower side wall

103. . . Left side wall

104. . . Right side wall

105. . . Light department

310. . . point Light

32. . . Glossy surface

34. . . Bottom

62. . . Second fixing hole

Claims (12)

An optical signal device includes an outer cover, a light guide plate, a light source and a rear cover. The outer cover cooperates with the rear cover to fix the light guide plate and the light source between the outer cover and the rear cover, and the outer cover includes a bottom wall a light-passing portion is provided, the light source includes a plurality of point light sources for emitting light of different colors, and is disposed on a side of the light-incident surface of the light guide plate, and the light guide plate forms a light of each color emitted by the plurality of point light sources, the plane Light is emitted from the light passing portion. The optical signal device of claim 1, wherein the optical signal device further comprises a reflective sheet disposed on a side of the light guide plate away from the outer cover for emitting the light guide plate away from the side of the outer cover. The light is reflected back into the light guide. The optical signal device according to claim 1, wherein the light-passing portion is a light-transmitting plate made of a transparent material. The optical signal device according to claim 1, wherein the light-passing portion is a hollow light-transmitting hole. The optical signal device of claim 1, wherein the plurality of point light sources comprise a plurality of light emitting diodes for emitting light of a first color, and a plurality of light emitting diodes for emitting light of a second color. And a plurality of light emitting diodes for emitting light of a third color, the plurality of light emitting diodes for emitting light of the first color and the plurality of light emitting diodes for emitting light of the second color and the light emitting diode A plurality of light emitting diode spacings for emitting a third color of light. The optical signal device of claim 2, further comprising a hollow first sealing rubber ring and a hollow second sealing rubber ring, the first sealing rubber ring being stuck on the bottom wall and the guiding Between the light plates, to prevent side leakage of light, the second sealing rubber ring is disposed between the outer cover and the rear cover around the light guide plate, the light source and the reflective sheet to prevent impurities from entering the light signal device. An automobile includes a housing and at least one optical signal device, wherein the at least one optical signal device is disposed corresponding to the housing such that an optical signal emitted by the at least one optical signal device can be transmitted out of the automobile through the housing, the optical signaling device The cover includes a cover, a light guide, a light source, and a rear cover. The cover cooperates with the rear cover to fix the light guide plate and the light source between the cover and the back cover. The cover includes a bottom wall, and the bottom wall defines a light-passing portion. The light source includes a plurality of point light sources disposed on a light-incident surface of the light guide plate. The light guide plate forms light of the plurality of point light sources to form planar light, and the planar light is emitted through the light-passing portion and the casing. The automobile of claim 7, wherein the outer cover further comprises an upper side wall, a lower side wall, a left side wall and a right side wall extending from one side of the bottom wall toward the one side, the bottom wall, the upper side wall, the lower side wall, The left side wall and the right side wall define a receiving space for receiving the light guide plate and the light source. The automobile of claim 8, wherein the automobile comprises at least one fastener, the outer cover further comprising a first fixing portion and a second fixing portion extending outward from the left side wall and the right side wall, respectively. The first fixing portion and the second fixing portion are respectively provided with at least one mounting hole and at least one first fixing hole, and the opposite ends of the rear cover are respectively provided with at least one mounting post and at least one second fixing hole, the at least one The mounting post is fixed in the at least one mounting hole to relatively fix the outer cover and the rear cover, the second fixing hole corresponds to the first fixing hole, the housing includes at least one locking hole and the first fixing The hole and the second fixing hole correspond to the first fixing hole, the second fixing hole and the locking hole, and the assembled optical signal device is fixed on the automobile. The automobile of claim 9, wherein the assembly column is a hot-melt column, and after the light guide plate and the light source are installed in the receiving space, the assembly column is fixed to the assembly by means of hot melt. Inside the hole. The automobile of claim 7, wherein the plurality of point light sources comprise a plurality of light emitting diodes for emitting light of a first color, a plurality of light emitting diodes for emitting light of a second color, and a plurality of a light emitting diode for emitting a third color light, the plurality of light emitting diodes for emitting the first color light and the plurality of light emitting diodes for emitting the second color light and the plurality of A light emitting diode spacing arrangement for emitting a third color of light. In the automobile of claim 11, the plurality of point light sources are electrically connected to a controller of the automobile, and the controller controls each of the light sources to emit light of a corresponding color as needed.