KR20200072377A - Lamp for vehicle - Google Patents

Abstract

The present invention relates to a lamp for a vehicle and, more specifically, to a lamp for a vehicle, which can display images with various colors or shapes. The lamp for a vehicle according to an embodiment of the present invention comprises: an image display unit displaying an image formed by a plurality of image forming units each of which includes a light source unit and a light guide unit emitting light incident from the light source unit; and a control unit allowing an image to be formed by at least one among the plurality of image forming units. The plurality of image forming units include: a first image forming unit having a first light source unit and a first light guide unit emitting light incident from the first light source unit; and a second image forming unit having a second light source unit and a second light guide unit emitting light incident from the second light source unit, wherein the light emitted from the first light guide unit is emitted by being transmitted through the second light guide unit.

Description

Vehicle lamp{Lamp for vehicle}

The present invention relates to a vehicle lamp, and more particularly, to a vehicle lamp capable of displaying images having various colors or shapes.

In general, the vehicle is equipped with various lamps that provide a lighting function to easily identify objects located around the vehicle when driving at night, and a signal function to notify other vehicles or other road users of the vehicle's driving status.

For example, head lamps and fog lamps are mainly intended for lighting functions, and turn signal lamps, position lamps, tail lamps, and brake lamps are mainly intended for signal functions.

In recent years, research on electric vehicles has been actively conducted in that it is an alternative that has a high possibility of solving environmental pollution and energy problems. A lamp may be provided to easily recognize the state of charge.

An electric vehicle is a vehicle that mainly uses a battery power to drive a motor to obtain power, and is largely classified into a battery-only electric vehicle and a hybrid electric vehicle. Drives the motor to obtain power, recharges when the battery power is exhausted, and the hybrid electric vehicle uses the power of the motor as an auxiliary power while the internal combustion engine engine is the main power.

When the battery power is insufficient, the electric vehicle charges the battery at the charging station, and the driver waits near the charging station until charging of the battery is completed through a lamp indicating the charging status of the battery.

In this way, the vehicle is provided with a variety of lamps. If each lamp is provided separately, the space required for installation of the lamp increases, so while reducing the space required for the installation of various lamps, There is a need for a method to fully demonstrate the function.

Patent Publication No. 10-2010-0075392 (2010.07.02.)

The problem to be solved by the present invention is to provide a vehicle lamp that can sufficiently exert each function while reducing the space required for installation of various lamps for different functions.

The problems of the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, a vehicle lamp according to an embodiment of the present invention includes: an image display unit displaying an image formed by a plurality of image forming units each including a light source unit and a light guide unit for emitting light incident from the light source unit; And a control unit configured to form an image by at least one of the plurality of image forming units, wherein the plurality of image forming units includes a first light source unit and a first light guide unit through which light incident from the first light source unit is emitted. A first image forming unit; And a second image forming unit including a second light guide unit and a second light guide unit through which light incident from the second light source unit is emitted, and light emitted from the first light guide unit passes through the second light guide unit. Will be released.

Other specific matters of the present invention are included in the detailed description and drawings.

According to the vehicle lamp of the present invention as described above has one or more of the following effects.

Space for installing various lamps because it is possible to form an image suitable for lamps of different functions by allowing light emitted from any one of the plurality of image forming units to pass through one light guide unit and exit. It has the effect of allowing each function to be sufficiently exerted while reducing.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a block diagram showing the configuration of a vehicle lamp according to an embodiment of the present invention.
2 and 3 are perspective views showing an image display unit according to an embodiment of the present invention.
4 and 5 is an exploded perspective view showing an image display unit according to an embodiment of the present invention.
Figure 6 is a cross-sectional view showing an image display unit according to an embodiment of the present invention.
7 is a schematic diagram showing an optical path by a first image forming unit according to an embodiment of the present invention.
8 is a schematic diagram showing an optical path by a second image forming unit according to an embodiment of the present invention.
9 is a schematic diagram showing an optical path by a third image forming unit according to an embodiment of the present invention.
10 and 11 are schematic diagrams showing an optical path by a light blocking unit according to an embodiment of the present invention.
12 to 14 are schematic diagrams showing images displayed by the image display unit according to an embodiment of the present invention.
15 is a block diagram showing the configuration of a vehicle lamp according to another embodiment of the present invention.
16 is a schematic view showing a vehicle in which an image display unit is installed according to another embodiment of the present invention.
17 is a block diagram showing the configuration of a vehicle lamp according to another embodiment of the present invention.
18 is a schematic view showing an illuminance sensor installed in a vehicle according to another embodiment of the present invention.

Advantages and features of the present invention, and methods for achieving them will be clarified with reference to embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only the embodiments allow the disclosure of the present invention to be complete, and common knowledge in the technical field to which the present invention pertains. It is provided to completely inform the person having the scope of the invention, and the present invention is only defined by the scope of the claims. The same reference numerals refer to the same components throughout the specification.

Thus, in some embodiments, well-known process steps, well-known structures, and well-known techniques are not specifically described to avoid obscuring the present invention.

The terminology used herein is for describing the embodiments and is not intended to limit the present invention. In the present specification, the singular form also includes the plural form unless otherwise specified in the phrase. Includes and/or comprising as used herein refers to the presence or addition of one or more other components, steps, operations and/or elements other than the components, steps, operations and/or elements mentioned. It is used not to exclude. And, “and/or” includes each and every combination of one or more of the items mentioned.

In addition, the embodiments described herein will be described with reference to cross-sectional views and/or schematic drawings, which are ideal exemplary views of the present invention. Therefore, the shape of the exemplary diagram may be modified by manufacturing technology and/or tolerance. Accordingly, the embodiments of the present invention are not limited to the specific shapes shown, but also include changes in shapes generated according to the manufacturing process. In addition, in each of the drawings shown in the present invention, each component may be slightly enlarged or reduced in view of convenience of description. The same reference numerals refer to the same components throughout the specification.

Hereinafter, the present invention will be described with reference to drawings for describing a vehicle lamp according to embodiments of the present invention.

1 is a block diagram showing the configuration of a vehicle lamp according to an embodiment of the present invention.

Referring to FIG. 1, a vehicle lamp 1 according to an embodiment of the present invention may include an image display unit 100 and a control unit 200.

The vehicle lamp 1 of the present invention may be used for various types of lamps installed in a vehicle, such as a head lamp, tail lamp, fog lamp, daytime running lamp, position lamp, turn signal lamp, backup lamp, etc. When approaching or boarding, it can be used for the purpose of a welcome function that enables the vehicle to react to the driver, so that communication between the vehicle and the driver is emphasized. Electricity that obtains power by driving the motor using battery power It can also be used to display the state of charge of the battery of the vehicle on the outside so that the driver can easily check the state of charge of the battery.

2 and 3 are perspective views showing an image display unit according to an embodiment of the present invention, FIGS. 4 and 5 are exploded perspective views showing an image display unit according to an embodiment of the present invention, and FIG. 6 is an embodiment of the present invention It is a cross-sectional view of an image display unit according to an example.

2 to 6, the image display unit 100 according to an embodiment of the present invention may include a plurality of image forming units 110, 120 and 130, and the image display unit 100 forms a plurality of images An image formed by at least one of the units 110, 120, and 130 may be displayed.

In an embodiment of the present invention, the image display unit 100 will be described as an example in which power is supplied from the battery of the vehicle, but is not limited thereto, and the image display unit 100 is provided with a battery or power provided separately from the vehicle battery. Power may be supplied from the supply.

In an embodiment of the present invention, a plurality of image forming units 110, 120, and 130 will be described as an example in which they are arranged in front and rear directions, and the plurality of image forming units 110, 120, and 130 are arranged in front and rear directions. This is a direction in which it is assumed that a direction in which light is emitted so that an image is displayed from the image display unit 100 is a front direction, and a direction in which the front and rear actually means may vary according to a direction or a position in which the image display unit 100 is installed.

Hereinafter, in the embodiment of the present invention, the first image forming unit 110 in a direction from the rear toward the front along the direction in which light is emitted from the image display unit 100, respectively, the plurality of image forming units 110, 120, and 130, respectively. , It will be referred to as the second image forming unit 120 and the third image forming unit 130.

In the embodiment of the present invention, the case where the image display unit 100 includes three image forming units 110, 120, and 130 is described as an example, but this is only an example to help understanding of the present invention. The image display unit 100 is not limited thereto, and may include two or more image forming units arranged in a direction in which light is emitted from the image display unit 100.

The first image forming unit 110 may include a first light source unit 111 and a first light guide unit 112, and when light is generated from the first light source unit 111, the first light guide unit 112 By doing so, the first image can be formed.

The first light source unit 111 may include at least one light source located at one end of the first light guide unit 112, and the first light guide unit 112 is light incident from the first light source unit 111. It can serve to be emitted to the exit surface (112a).

The first light guide unit 112 may be formed with a first reflection pattern 112b that allows light incident from the first light source unit 111 to be reflected to the emission surface 112a on the opposite side of the emission surface 112a. The region in which the first reflective pattern 112b is formed may vary depending on the shape of the first image formed by the first image forming unit 110.

At this time, in the embodiment of the present invention, the first reflective pattern 112b is described as an example in which the first light guide portion 112 is formed to have an uneven shape by surface processing, but is not limited thereto. 1 The reflective pattern 112b may be formed in a film form and may be attached to the first light guide unit 112.

The second image forming unit 120 may be located in front of the first image forming unit 110, and the second image forming unit 120 may include the second light source unit 121 and the second light guide unit 122. In addition, when light is generated from the second light source unit 121, the second image may be formed by the second light guide unit 122.

The second light source unit 121 may include at least one light source located at one end of the second light guide unit 122, and the second light guide unit 122 is light incident from the second light source unit 121. It can serve to exit the exit surface (122a).

The second light guide unit 122 may be formed with a second reflection pattern 122b that allows light incident from the second light source unit 121 to be reflected on the emission surface 122a on the opposite side of the emission surface 122a. The region in which the second reflective pattern 122b is formed may vary according to the shape of the second image formed by the second image forming unit 120.

In the embodiment of the present invention, the second reflection pattern 122b is described as an example in which the second light guide portion 122 is formed to have an uneven shape by surface processing, but is not limited thereto. The pattern 122b may be formed in a film form and attached to the second light guide unit 122.

At this time, the first light guide unit 112 and the second light guide unit 122 are positioned so that one surface faces each other, and the exit surface 112a and the second light guide unit 122 of the first light guide unit 112 are The exit surface (122a) of the may be positioned to face in the same direction, because of this, the light emitted through the exit surface (112a) of the first light guide unit 112 is transmitted through the second light guide unit (122) Can be released.

The third image forming unit 130 may be located in front of the second image forming unit 120, and the third image forming unit 130 may include a third light source unit 131 and a third light guide unit 132. In addition, when light is generated from the third light source unit 131, a third image may be formed by the third light guide unit 132.

The third light source unit 131 may include at least one light source located at one end of the third light guide unit 132, and the third light guide unit 132 is light incident from the third light source unit 131. It can serve to be emitted to the exit surface (132a).

The third light guide portion 132 may be formed with a third reflection pattern 132b that allows light incident from the third light source unit 131 to be reflected on the emission surface 132a on the opposite side of the emission surface 132a. The region where the third reflective pattern 132b is formed may vary according to the shape of the third image formed by the third image forming unit 130.

In the embodiment of the present invention, the third reflection pattern 132b is described as an example in which the third light guide portion 132 is formed to have an uneven shape by surface processing, but is not limited thereto. The pattern 132b may be formed in a film form and attached to the third light guide unit 132.

At this time, the second light guide unit 122 and the third light guide unit 132 are positioned so that one surface faces each other, and the exit surface 122a and the third light guide unit 132 of the second light guide unit 122 The exit surface 132a may be positioned to face in the same direction, whereby light emitted through the exit surface 122a of the second light guide part 122 passes through the third light guide part 132 Can be released.

In addition, since the exit surface 112a of the first light guide part 112 and the exit surface 122a of the second light guide part 122 are also positioned to face in the same direction, the exit of the first light guide part 112 Light emitted through the surface 112a may be emitted through the second light guide unit 122 and the third light guide unit 132.

In other words, when the image display unit 100 includes a plurality of image forming units, it is understood that light emitted from any one of the plurality of image forming units is transmitted through all the light guide units positioned in front thereof. Can be.

For example, when the image display unit 100 includes two image forming units, light emitted from the light guide unit of the image forming unit positioned at the rearmost portion may be transmitted through one light guide unit positioned in front of it. In the case where the image display unit 100 includes four image forming units, light emitted from the light guide unit of the image forming unit located at the rearmost portion may be transmitted through all three light guide units positioned in front of it. will be.

7 is a schematic diagram showing an optical path by a first image forming unit according to an embodiment of the present invention, and FIG. 8 is a schematic diagram showing an optical path by a second image forming unit according to an embodiment of the present invention, 9 is a schematic diagram showing an optical path by a third image forming unit according to an embodiment of the present invention.

Referring to FIG. 7, the light L1 incident from the first light source unit 111 to the first light guide unit 112 is emitted by the first reflection pattern 112b of the first light guide unit 112 ( Light reflected by 112a) is emitted, and light emitted from the exit surface 112a of the first light guide unit 112 is transmitted through the second light guide unit 122 and the third light guide unit 132 to be emitted. 1 image may be formed.

Referring to FIG. 8, the light L2 incident from the second light source unit 121 to the second light guide unit 122 is emitted by the second reflection pattern 122b of the second light guide unit 122 ( Light reflected from the light exiting 122a) and emitted from the light exiting surface 122a of the second light guide part 122 may be transmitted through the third light guide part 132 to be emitted to form a second image.

Referring to FIG. 9, the light L3 incident from the third light source unit 131 to the third light guide unit 132 is emitted by the third reflection pattern 132b of the third light guide unit 132 ( A third image may be formed by being reflected to exit to 132a).

As described above, the image display unit 100 may be image-formed by the first image forming unit 110, the second image forming unit 120, and the third image forming unit 130, respectively. At least one image may be formed according to the light source unit from which light is generated among the light source units 111, 121, and 131.

The color of the image displayed by the image display unit 100 may be determined according to the color of light generated from the first light source unit 111, the second light source unit 121, and the third light source unit 131.

In the exemplary embodiment of the present invention, a case in which light of different colors is generated from the first light source unit 111, the second light source unit 121, and the third light source unit 131 will be described as an example. In an embodiment, light of a first color is generated from the first light source unit 111, light of a second color is generated from the second light source unit 121, and light of a third color is generated from the third light source unit 131. The case will be described as an example.

At this time, the light of the first color is generated from the first light source unit 111, the light of the second color is generated from the second light source unit 121, and the light of the third color is generated from the third light source unit 131 It can be understood that the first image has a first color, the second image has a second color, and the third image has a third color.

When light of different colors is generated from the first light source unit 111, the second light source unit 121, and the third light source unit 131, two or more lamps among various lamps in which the vehicle lamp 1 of the present invention is installed in a vehicle It can be used for the purpose of.

For example, white light is generated as the first color from the first light source unit 111, yellow light is generated as the second color from the second light source unit 121, and blue light is generated as the third color from the third light source unit 131. When generated, when the vehicle lamp 1 of the present invention is used for a purpose such as a daytime running lamp or a position lamp, the second light source part 121 and the third light source part 131 are turned off and only the first light source part 111 is turned on. When the vehicle lamp 1 of the present invention is used for a turn signal lamp, the first light source unit 111 and the third light source unit 131 may be turned off and only the second light source unit 121 may be turned on. When the vehicle lamp 1 of the present invention indicates the state of charge of the battery, the first to third light source units 111, 121, and 131 may be simultaneously lit or sequentially lit according to a predetermined lighting sequence.

Therefore, in the exemplary embodiment of the present invention, since it is possible to separately install a lamp used for different functions or a lamp for displaying a charge state of a battery, an installation space required when separately installing each lamp Compared to this, the required installation space can be reduced, the configuration is simplified, and the cost can be reduced.

The color of the image displayed from the image display unit 100 is the first color, the second color, and the third color according to the light source unit from which light is generated among the first light source unit 111, the second light source unit 121, and the third light source unit 131. It may have any one of colors, and may have a fourth color in which at least two or more colors of the first to third colors are mixed.

In this case, the fourth color refers to a color in which at least two or more colors of the first to third colors are mixed, and the fourth color can be understood to have various colors according to the mixed color among the first to third colors. have.

Since the image display unit 100 may display an image having a fourth color in addition to the first to third colors, a visual effect may be provided in the process of alternately forming the images of the first to third colors. When switching from one of the first to third colors to another, a visual effect in which the color of the image is gradually changed can be given.

For example, when the images of the first to third colors are sequentially formed by the image display unit 100 in a predetermined cycle, the brightness of light generated from the first light source unit 111 gradually increases when the images of the first colors are formed. When the brightness of the light emitted from the second light source unit 121 is gradually increased and the image of the fourth color in which the first color and the second color are mixed may be formed while switching from the first color to the second color. It is.

Similarly, when the image of the second color is formed, the brightness of the light generated from the second light source unit 121 gradually decreases, and the brightness of the light generated from the third light source unit 131 gradually increases. During the conversion to the third color, an image of the fourth color in which the second color and the third color are mixed may be formed.

As described above, in an embodiment of the present invention, the image displayed from the image display unit 100 gradually changes from the first color to the second color through the fourth color, and similarly, through the second color to the fourth color. It is possible to give a visual effect such as a gradation effect gradually changing to 3 colors.

Meanwhile, images formed by the first to third image forming units 110, 120, and 130 are formed in regions where reflection patterns 112b, 122b, and 132b are formed on the respective light guide units 112, 122, and 132. It may have a corresponding shape, and when light is generated from two or more of the first to third light source units 111, 121, and 131, a combined image of two or more images combined may be formed.

In this case, the combined image may have a shape in which two or more images of the first to third images are separated from each other, or a portion of the two or more images of the first to third images may have a shape overlapping, and the first to third images 3 The entire image may have a superimposed shape.

When two or more images of the first to third images as a combination image have a shape separated from each other, the combination image includes regions having two or more colors among the first to third colors, and the first to third images as the combination image When at least a part of two or more images among three images have overlapping shapes, the combination image may include regions having two or more colors among the first to third colors as well as regions having a fourth color mixed with two or more colors. have.

Meanwhile, the first to third image forming units 110, 120, and 130 described above are arranged along the direction in which the first to third light guide units 112, 122, and 132 emit light from the image display unit 100. Since the first to third light source parts 111, 121, and 131 are located near one end of the first to third light guide parts 112, 122, and 132, the first to third light source parts 111, 121, The light generated in 131) may be incident to the first to third light guide units 112, 122, and 132 as well as other adjacent light guide units, in which case an image formed by the image display unit 100 is required You can have a different color from the color.

Accordingly, in the embodiment of the present invention, by placing the light blocking units 140 and 150 between the first and second light source units 111 and 121 and the second and third light source units 121 and 131, respectively, the first to the first 3 Light generated from each of the light source units 111, 121, and 131 may be prevented from entering the light guide unit other than the corresponding light guide unit.

Hereinafter, in the exemplary embodiment of the present invention, the light blocking unit 140 positioned between the first and second light source units 111 and 121 will be referred to as a first light blocking unit, and the second light source unit 121 and the third light source unit 131 will be described. The light blocking part 150 positioned between the two parts will be referred to as a second light blocking part, and the number of light blocking parts may also vary according to the number of image forming parts included in the image display part 100.

In the exemplary embodiment of the present invention, a case where both ends of the first light blocking unit 140 and the second light blocking unit 150 are formed to be connected to each other will be described as an example, which is the first light blocking unit 140 And the second light blocking unit 150 may be understood to simplify assembly of the first light blocking unit 140 and the second light blocking unit 150 as compared to the case where the second light blocking unit 150 is separately assembled.

10 is a schematic view showing a first light blocking unit and a second light blocking unit according to an embodiment of the present invention.

Referring to FIG. 10, the first light blocking unit 140 includes a first light guide unit from one end located near one end of the first light guide unit 112 and the second light guide unit 122. It may be formed to extend toward the other end of the first light guide part 112 and the second light guide part 122 through the space between the 112 and the second light guide part 122.

The first light blocking unit 140 may include surfaces 141 and 142 connecting one end and the other end, hereinafter, one end and the other end of the first light blocking unit 140 in the embodiment of the present invention. A surface facing the first light source unit 111 among the surfaces 141 and 142 connecting is referred to as a first surface 141 and a surface facing the second light source unit 121 is referred to as a second surface 142.

The first light blocking unit 140 blocks the light L12 from the first light source unit 111 to the second light guide unit 122 among the light L11 and L12 generated from the first light source unit 111, The second surface 142 serves to block the light L22 directed to the first light guide part 112 among the light L21, L22, and L23 generated from the second light source part 121.

Similarly, the second light blocking unit 150 has a second light guide unit 122 from the one end located near one end of the second light guide unit 122 and the third light guide unit 132 ) And the third light guide part 132 may be formed to extend toward the other end of the second light guide part 122 and the third light guide part 132.

The second light blocking unit 150 may include a first surface 151 facing the second light source unit 121 and a second surface 152 facing the third light source unit 131, and the first surface 151 Of the light L21, L22, and L23 generated from the second light source unit 121, the light L23 directed to the third light guide unit 132 is blocked, and the second surface 152 is the third light source unit 131 Of the light (L31, L32) generated from it serves to block the light (L32) toward the second light guide portion 122.

The first light blocking unit 140 and the second light blocking unit 150 may use a black color light absorbing member to block light, and the first surfaces 141 and 151 and the second surfaces 142 and 152 ) A reflective layer made of a material having a high reflectance such as aluminum or chromium may be formed to block light, and in the following embodiments of the present invention, the reflective layers are formed on the first surfaces 141 and 151 and the second surfaces 142 and 152. The case where this is formed will be described as an example.

At this time, the first light blocking unit 140 and the second light blocking unit 150, the distance between the first surface (141, 151) and the second surface (142, 152) as shown in Figure 11 is the other end It may be formed to have a predetermined inclination angle so as to decrease toward, this is to ensure that the light generated from the first light source unit 111, the second light source unit 121 and the third light source unit 131 to reach a relatively distant position to be.

That is, when the distance between the first surface (141, 151) and the second surface (142, 152) is the same from one end to the other end, the first light blocking unit 140 and the second light blocking as shown in FIG. When the position where the light reflected by the unit 150 reaches is relatively close, and the distance between the first surface (141, 151) and the second surface (142, 152) decreases from one end to the other end The position at which the light reflected by the first light blocking unit 140 and the second light blocking unit 150 reaches is relatively distant.

The shapes of the first light blocking unit 140 and the second light blocking unit 150 are not limited to the above-described examples, and the light reflected by the first light blocking unit 140 and the second light blocking unit 150 It may be formed to have various inclination angles depending on the position to be reached.

In the above-described embodiment, the case where two light blocking units are used as the light blocking units 140 and 150 is described as an example, but this is because a plurality of three image forming units are used as the image forming units 110, 120, and 130 This is because, as the number of image forming units increases, the number of light blocking units may also increase. For example, when the number of image forming units is n (n≥2), n-1 (n≥2) light blocking units may be used.

In addition, when light is reflected by the first light blocking unit 140 and the second light blocking unit 150, diffusion patterns are formed on the first surfaces 141 and 151 and the second surfaces 142 and 152, respectively. This diffusion pattern may be to prevent a difference in brightness due to an arrangement interval of light sources included in each of the first light source unit 111, the second light source unit 121, and the third light source unit 131.

That is, the light sources included in each of the first light source unit 111, the second light source unit 121, and the third light source unit 131 may be arranged to have a predetermined interval or more so that structural interference does not occur, and in this case, adjacent light sources Between the intervals therebetween, the brightness of the light may be relatively low, so that the brightness of the image formed by the image display unit 100 may not be uniform.

Therefore, in the embodiment of the present invention, when light is reflected by the first light blocking unit 140 and the second light blocking unit 150, the first surface 141, 151 and the second surface 142, 152 By forming a diffusion pattern that diffuses the light reflected on the light, the difference in brightness due to the spacing between adjacent light sources can be reduced to have the overall uniform brightness of the image formed by the image display unit 100.

The control unit 200 may allow an image to be formed by at least one of the first to third image forming units 110, 120, and 130, and the control unit 200 may allow images in a predetermined order to be sequentially formed. Can be.

The image formed by the control unit 200 is a combination of two or more of the first to third images and the first to third images formed by the first to third image forming units 110, 120, and 130, respectively. Images may be included.

For example, the controller 200 may allow the first to third images to be sequentially displayed as shown in FIG. 12, or the first to third images to be sequentially displayed as shown in FIG. 13, and 14, the first image, the first image and the second image combined image, the second image, the second image and the third image combined image, the third image, the first image and the third image combined image May be displayed sequentially.

In this case, FIG. 12 is the first to third so that the second light source unit 121 is turned on after the first light source unit 111 is turned off and the third light source unit 131 is lighted after the second light source unit 121 is turned off. An example in which the first to third images are individually displayed as the light source units 111, 121, and 131 are sequentially turned on and off, and FIG. 13 shows a first time after the first light source unit 111 is lit. The second light source unit 121 is turned on, and the first light source unit 111 and the second light source unit 121 are lit together, and after a predetermined time elapses, the third light source unit 131 is lit, and the first to third light source units 111 , 121 and 131 are sequentially overlapped, and FIG. 14 gradually decreases or increases the brightness of each light source unit 111, 121, and 131 in the process in which the first to third images are sequentially formed. This is an example of a case where a combined image is formed in which two images are combined while being converted from the current image to the next image.

The image displayed by the control unit 200 is not limited to the above-described FIGS. 12 to 14, and an image including at least one of the first to third images may be sequentially displayed as necessary. The third image may be displayed simultaneously.

15 is a block diagram showing the configuration of a vehicle lamp according to another embodiment of the present invention.

15, the vehicle lamp 1 according to another embodiment of the present invention may include an image display unit 100, a control unit 200, and a state detection unit 300, Figure 15 is a vehicle lamp of the present invention (1) is an example in the case of indicating the state of charge of the battery 400.

In other embodiments of the present invention, components having the same role as the above-described embodiments will be assigned the same reference numerals, and detailed descriptions thereof will be omitted.

In another embodiment of the present invention, the state detection unit 300 may serve to detect the state of charge of the battery 400 such as whether the battery 400 is charged and the amount of charge of the battery 400.

For example, the state detection unit 300 may detect whether the battery 400 is charged through whether the connector for charging the battery 400 is electrically connected to the connector of the battery 400, and the battery ( The charge amount of the battery 400 may be detected through voltage detection of 400).

In another embodiment of the present invention, the control unit 200 may display images while the battery 400 is being charged in the same order as in FIGS. 12 to 14 described above.

In addition, in another embodiment of the present invention, the image display unit 100 will be described as an example in which it is installed in the head lamp 2 as shown in FIG. 16, but is not limited thereto, and the image display unit 100 is a battery from the outside. It can be installed in various locations to easily check the state of charge of the (400).

17 is a block diagram showing the configuration of a vehicle lamp according to another embodiment of the present invention.

Referring to FIG. 17, the vehicle lamp 1 according to another embodiment of the present invention may include an image display unit 100, a control unit 200, a state detection unit 300, and an illumination detection unit 500, In another embodiment of the present invention, components having the same role as the above-described embodiments will use the same reference numerals, and detailed description thereof will be omitted.

In another embodiment of the present invention, the illuminance sensor 500 may serve to sense the illuminance around the vehicle, and the controller 200 may display the image according to the illuminance transmitted from the illuminance detector 500. It is possible to adjust the brightness of the light generated from.

At this time, the illuminance detecting unit 500 may transmit the average value of the illuminance sensed for a predetermined time to the control unit 200, which is intended to reduce the influence due to a temporary increase in illuminance due to external factors.

The control unit 200 adjusts the brightness of the light generated from the image display unit 100 according to the ambient light intensity of the vehicle. When the ambient light intensity of the vehicle is high, the brightness of the light generated from the image display unit 100 becomes relatively low, thereby deteriorating visibility. This is to prevent the occurrence of discomfort such as glare to surrounding vehicles or pedestrians because the brightness of light generated from the image display unit 100 is relatively high when the ambient light level is low.

The control unit 200 increases the brightness of light generated from the image display unit 100 so as to prevent a decrease in visibility as the surrounding illumination of the vehicle increases, and conversely, as the surrounding illumination of the vehicle decreases, the image display unit 100 prevents glare, etc. It lowers the brightness of light generated from.

At this time, the illuminance detection unit 500 may be located in a direction in which light is generated from the image display unit 100 as shown in FIG. 18, which indicates the illuminance in a direction in which light generated from the image display unit 100 can be recognized. This is to detect and adjust the brightness.

That is, when the illuminance detection unit 500 is located in a direction different from the direction in which the image display unit 100 is installed, the illuminance detected by the illuminance detection unit 500 recognizes light generated from the image display unit 100. Since it does not directly affect the light, it is possible to adjust the brightness by positioning the illuminance detector 500 in the direction in which light is generated from the image display unit 100.

In the above-described embodiments, the case in which the state detector 300 is included and the case in which the illuminance sensor 500 is included are described, respectively, but the components included in each of the above-described embodiments are not limited to each other. Can be borrowed.

Those of ordinary skill in the art to which the present invention pertains will appreciate that the present invention may be implemented in other specific forms without changing its technical spirit or essential features. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. The scope of the present invention is indicated by the following claims rather than the above detailed description, and it should be interpreted that all changes or modified forms derived from the meaning and scope of the claims and equivalent concepts thereof are included in the scope of the present invention. do.

100: image display unit
110: first image forming unit
111: first light source unit
112: first light guide unit
120: second image forming unit
121: second light source unit
122: second light guide unit
130: third image forming unit
131: third light source unit
132: third light guide unit
200: control unit
300: state detection unit
400: battery
500: illuminance detector

Claims (19)

An image display unit displaying an image formed by a plurality of image forming units each including a light source unit and a light guide unit for emitting light incident from the light source unit; And
And a controller configured to form an image by at least one of the plurality of image forming units,
The plurality of image forming units,
A first image forming unit including a first light source unit and a first light guide unit through which light incident from the first light source unit is emitted; And
And a second image forming unit including a second light source unit and a second light guide unit through which light incident from the second light source unit is emitted,
The light emitted from the first light guide portion is a vehicle lamp that is emitted through the second light guide portion. According to claim 1,
The first light source unit and the second light source unit,
Vehicle lamps with different colors of light. According to claim 1,
The first light guide portion and the second light guide portion,
They are positioned so that one side faces each other,
The first light guide portion and the second light guide portion,
A vehicle lamp positioned so that the exit surface faces the same direction. According to claim 1,
The image displayed by the image display unit,
A vehicle lamp having at least one color of a color of light generated from the first light source unit, a color of light generated from the second light source unit, and a color in which light generated from the first light source unit and the second light source unit is mixed. According to claim 1,
Each of the first light guide portion and the second light guide portion,
A first reflection pattern and a second reflection pattern for reflecting light incident from the first light source unit and the second light source unit to an emission surface are formed on one surface,
Each of the first image forming unit and the second image forming unit,
A vehicle lamp that allows an image having a shape corresponding to an area in which the first reflective pattern and the second reflective pattern are formed. The method of claim 5,
The first reflective pattern and the second reflective pattern,
A vehicle lamp formed in an area such that images formed by each of the first image forming unit and the second image forming unit are formed separately from each other. The method of claim 5,
The first reflective pattern and the second reflective pattern,
A vehicle lamp formed in an area such that at least a portion of an image formed by each of the first image forming unit and the second image forming unit overlaps. According to claim 1,
The first light source unit and the second light source unit,
Located near one end of the first light guide portion and the second light guide portion,
A vehicle lamp further comprising a light blocking unit positioned between the first light source unit and the second light source unit. The method of claim 8,
The light blocking unit,
A vehicle lamp that absorbs at least a portion of light generated from at least one of the first light source part and the second light source part. The method of claim 8,
The light blocking unit,
A vehicle lamp that reflects at least a portion of light generated from at least one of the first light source part and the second light source part. The method of claim 8,
The light blocking unit,
The other end from one end is formed to extend in a direction from the one end of the first light guide portion and the second light guide portion toward the other end,
The surface connecting the one end and the other end,
A vehicle lamp formed to be inclined at a predetermined angle based on the extending direction of the light blocking unit. The method of claim 11,
The surface connecting the one end and the other end,
A first surface facing the first light source unit; And
It includes a second surface facing the second light source,
The distance between the first surface and the second surface,
A vehicle lamp that becomes smaller from one end of the light blocking section to the other end. The method of claim 8,
Each of the first light source unit and the second light source unit,
It includes a plurality of light sources arranged at a predetermined interval,
The light blocking unit,
A vehicle lamp having a diffusion pattern that diffuses light generated from any one of the plurality of light sources on at least one surface. According to claim 1,
The control unit,
At least one of a first image formed by the first image forming unit, a second image formed by the second image forming unit, and an image combined with the first image and the second image from the image display unit Vehicle lamp to be displayed. According to claim 1,
The control unit,
A vehicle lamp for sequentially lighting the first light source part and the second light source part. According to claim 1,
The control unit,
A vehicle lamp that allows the first light source part and the second light source part to light simultaneously. According to claim 1,
Further comprising a state detection unit for detecting the state of charge of the battery,
The control unit,
A vehicle lamp that allows the image to be formed from the image display unit according to the detected charging state. According to claim 1,
Further comprising an illuminance detection unit for detecting the ambient light around the vehicle,
The control unit,
A vehicle lamp that adjusts the brightness of an image displayed by the image display unit according to the sensed illuminance. The method of claim 18,
The illuminance detection unit,
A vehicle lamp positioned in a direction in which the image display unit is installed.

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