Display device with overlapped light control patterns of multiple layers of light guide plates

Abstract

The utility model discloses a display device with overlapped light control patterns of multiple layers of light guide plates. The display device comprises a light source and the multiple layers of light guide plates, the multiple layers of light guide plates are overlapped; at least two side surfaces of the multi-layer light guide plate respectively correspond to a group of light sources, each group of light sources comprises a plurality of lamps arranged in the length direction of the side surfaces of the light guide plate, and the lamps of the light sources are connected with a power supply through a plurality of switches; the side face of the light guide plate is provided with a light-transmitting part and / or a light-shading part. The display device comprises multiple layers of light guide plates, so that the multiple layers of light guide plates can achieve the display effect of pattern superposition or pattern color superposition, the same sides of the multiple layers of light guide plates correspond to the same set of light sources, the side faces of the light guide plates are light transmitting parts and / or light shielding parts, lamps of the light sources are connected with a power source through a plurality of switches, and the lightened lamps can be controlled. And different display effects can be achieved. Therefore, the utility model can realize complex and gorgeous double-pattern or multi-pattern display or pattern and background color and atmosphere color display.

Description

TECHNICAL FIELD

[0001] The utility model belongs to display device technical field, specifically, it relates to a kind of display device of multilayer light guide plate light control pattern superposition. BACKGROUND

[0002] The existing display device generally realizes display by guiding the light of light source through light guide plate.This kind of display device can only display the pattern or font corresponding to light guide plate, and the color is only the color of light source, so the display form is simple, single and monotonous, and it is impossible to realize complex and gorgeous double-pattern or multi-pattern superposition display, and it is also impossible to realize breathing effect.

[0003] The above information disclosed in the background is only used to increase the understanding of the background of the present application, so it can include prior art known by those skilled in the art. SUMMARY

[0004] The utility model discloses a kind of display device of multilayer light guide plate light control pattern superposition, solve the technical problem that the display form of existing display device is simple, single and monotonous.

[0005] To achieve the above-mentioned utility model / design purposes, the utility model adopts the following technical solutions to achieve:

[0006] A kind of display device of multilayer light guide plate light control pattern superposition, the display device includes:

[0007] Multilayer light guide plate, the multilayer light guide plate is overlapped and arranged;

[0008] Light source, at least two sides of the multilayer light guide plate correspond to a group of light sources respectively, each group of light sources includes several lamps arranged in the length direction of light guide plate side, and the lamp of light source is connected to power supply by several switches;

[0009] The side of the light guide plate is provided with light-transmitting portion and / or light-blocking portion.

[0010] The display device of multilayer light guide plate light control pattern superposition as described above, at least one light guide plate has pattern and / or font, and the pattern and / or font has light-blocking structure.

[0011] The display device of multilayer light guide plate light control pattern superposition as described above, the light-blocking structure is slit or filled light-blocking material.

[0012] The display device of multilayer light guide plate light control pattern superposition as described above, the display device includes circuit board, and the light-blocking material is installed on the circuit board, or, film is additionally installed on the light guide plate, and the light-blocking material is installed on the film.

[0013] The display device with the superimposed light control pattern of the multilayer light guide plate, wherein the surface of the light guide plate is sprayed or attached with a film.

[0014] The display device with the superimposed light control pattern of the multilayer light guide plate, wherein the light shielding part is a pasted light shielding piece or a sprayed light shielding material.

[0015] The display device with the superimposed light control pattern of the multilayer light guide plate, wherein a light guide piece is arranged between the light source and the light guide plate.

[0016] The display device with the superimposed light control pattern of the multilayer light guide plate, wherein the light source is a white light source.

[0017] The display device with the superimposed light control pattern of the multilayer light guide plate, wherein the same layer of the light guide plate comprises opposite first and second sides.

[0018] The first and second sides each comprise a light transmitting part and a light shielding part, the light transmitting part of the first side is opposite to the light shielding part of the second side, and the light shielding part of the first side is opposite to the light transmitting part of the second side.

[0019] Alternatively, the first side comprises a light transmitting part and a light shielding part, and the second side comprises a light shielding part.

[0020] Alternatively, the first side comprises a light shielding part, and the second side comprises a light transmitting part and a light shielding part.

[0021] The display device with the superimposed light control pattern of the multilayer light guide plate, wherein the light transmitting part and the light shielding part are alternately distributed.

[0022] Compared with the prior art, the display device with the superimposed light control pattern of the multilayer light guide plate has the following advantages and positive effects: the display device comprises a light source and a multilayer light guide plate; the multilayer light guide plates are arranged in a superimposed manner; at least two sides of the multilayer light guide plate correspond to a group of light sources respectively, each group of light sources comprises a plurality of lamps arranged in the length direction of the side of the light guide plate, and the lamps of the light source are connected to a power supply through a plurality of switches; and the side of the light guide plate is provided with a light transmitting part and / or a light shielding part. The display device comprises a multilayer light guide plate, so that the multilayer light guide plate can realize the display effect of pattern superposition or pattern color superposition, the same side of the multilayer light guide plate corresponds to the same group of light sources, the side of the light guide plate is provided with a light transmitting part and / or a light shielding part, the lamps of the light source are connected to the power supply through a plurality of switches, and the lighted lamps can be controlled, so that different display effects can be achieved. Therefore, the display device can realize complex and gorgeous double-pattern or multi-pattern display or pattern plus background color and atmosphere color display.

[0023] Other features and advantages of the present application will become more apparent after reading the specific implementation manner of the present application in combination with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort on the premise that they do not have any creative effort.

[0025] Figure 1 is an exploded view of the display device of the embodiment of the present application.

[0026] Figure 2 is a position diagram of the light source and the multi-layer light guide plate of the embodiment of the present application.

[0027] Figure 3 is Figure 2 the sectional view of A-A direction in the figure.

[0028] Figure 4 is a schematic diagram of the three-layer light guide plate of the embodiment of the present application.

[0029] Figure 5 is a schematic diagram of the light source.

[0030] Figure 6 is a schematic diagram of the position relationship between the first layer light guide plate and the light source.

[0031] Figure 7 is a schematic diagram of the position relationship between the second layer light guide plate and the light source.

[0032] Figure 8 is a schematic diagram of the position relationship between the third layer light guide plate and the light source.

[0033] Figure 9 is a sectional view of the light source and the three-layer light guide plate of another embodiment.

[0034] In the figure:

[0035] 1, base;

[0036] 2, circuit board;

[0037] 3, first light guide plate;

[0038] 4, second light guide plate;

[0039] 5, third light guide plate;

[0040] 6, display panel;

[0041] 7, light blocking structure;

[0042] 8, first film;

[0043] 9, second film;

[0044] 10. A third film;

[0045] 11. A lamp;

[0046] 12. A light shielding portion;

[0047] 13. A light transmitting portion;

[0048] 14. A light guide member. DETAILED DESCRIPTION

[0049] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0050] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application.

[0051] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In the description of the embodiments, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0052] The terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features.

[0053] In the description of the present application, unless otherwise specified, the meaning of "multiple" is two or more.

[0054] The display device is an important component of electronic equipment, for example, washing machines, air conditioners, range hoods, televisions, air purifiers and other devices all have display devices that interact with users. For consumers, the display effect of the display device also plays a crucial role in product selection, and therefore, how to improve the display effect of the display device is a technical problem to be solved.

[0055] The display device with the light control pattern superposition of the multi-layer light guide plate comprises a multi-layer light guide plate and a light source.

[0056] The multi-layer light guide plates are arranged in an overlapping manner.

[0057] At least two sides of the multi-layer light guide plates correspond to a group of light sources respectively, each group of light sources comprises a plurality of lamps arranged in the length direction of the side of the light guide plate, and the lamps of the light source are connected to the power supply through a plurality of switches.

[0058] The side of the light guide plate is provided with a light transmission part and / or a light shielding part.

[0059] The display device comprises a multi-layer light guide plate, the multi-layer light guide plate can realize the display effect of pattern superposition or pattern color superposition, the same side of the multi-layer light guide plate corresponds to the same group of light sources, the side of the light guide plate is provided with a light transmission part and / or a light shielding part, the lamps of the light source are connected to the power supply through a plurality of switches, and the lighted lamps can be controlled to achieve different display effects. Thus, the display device can realize complex and beautiful double-pattern or multi-pattern display or pattern plus background color and atmosphere color display.

[0060] In addition, by controlling the on-off of the switches, a breathing effect can also be achieved.

[0061] The display device will be described in detail below with reference to the drawings and taking three-layer light guide plates as an example:

[0062] In the example, Figures 1-5 The display device comprises a base 1, a circuit board 2, a first light guide plate 3, a second light guide plate 4, a third light guide plate 5 and a display panel 6.

[0063] The circuit board 2 is mounted on the base 1.

[0064] The first light guide plate 3, the second light guide plate 4 and the third light guide plate 5 are arranged in an overlapping manner and located on the circuit board 2 or the base 1.

[0065] The display panel 6 is mounted on the base 1, the display panel 6 covers the first light guide plate 3, the second light guide plate 4 and the third light guide plate 5 arranged in an overlapping manner, and the display panel 6 forms the appearance of the display device.

[0066] In some embodiments, the display panel 6 is made of acrylic or transparent ABS or glass.

[0067] At least one light guide plate has patterns and / or fonts, and the patterns and / or fonts have light-blocking structures 7 therebetween.

[0068] The light-blocking structures 7 can avoid the problem of light leakage between patterns, between characters, between patterns and characters, and between any two of them.

[0069] The light-blocking structures 7 are slits or filled light-blocking materials.

[0070] When the light-blocking structures 7 are slits, the bright lines at the slits can be hidden, and the gap filling light guide material can be injected into the film while the edges are wrapped, and the patterns are displayed by the way of light guide plate slits.

[0071] When the light-blocking structures 7 are filled light-blocking materials, the light-blocking materials can be sponges, and the patterns are displayed by the way of sponge retaining wall.

[0072] In some embodiments, the light-blocking materials are installed on the circuit board 2.

[0073] In some embodiments, a film is installed on the light guide plate, and the light-blocking materials are installed on the film.

[0074] The surface of the light guide plate is painted or a film is installed.

[0075] In order to improve the diversity of color display of the display device, the painting on the surface of the light guide plate is color painting, and the film is a color film.

[0076] In the example of Figures 1-4 , the film includes three layers of first film 8, second film 9 and third film 10.

[0077] The first film 8 corresponds to the first light guide plate 3, the second film 9 corresponds to the second light guide plate 4, and the third film 10 corresponds to the third light guide plate 5.

[0078] The first film 8 is located on the light-emitting surface of the first light guide plate 3, the second film 9 is located on the light-emitting surface of the second light guide plate 4, and the third film 10 is located on the light-emitting surface of the third light guide plate 5.

[0079] The upper side of the three-layer light guide plate corresponds to the upper group of light sources, and the lower side of the three-layer light guide plate corresponds to the lower group of light sources.

[0080] In the example of Figure 2 , Figure 3 , Figure 5 The upper group of light sources and the lower group of light sources each include a plurality of lamps 11 arranged in the length direction of the side surface of the light guide plate.

[0081] The light source is a white light source, and the white light source is used to irradiate on the color painting or color film to achieve brilliant colors.

[0082] The light source lamp 11 is connected to the power supply through several switches to realize the lighting and extinguishing of different lamps, realize different display effects, or control the lighting and extinguishing time of different lamps to realize the breathing effect.

[0083] In the example of Figure 5 , the lamp 11 represented by red color is connected to the power supply through the first switch, the lamp 11 represented by green color is connected to the power supply through the second switch, and the lamp represented by yellow color is connected to the power supply through the third switch.

[0084] Among them, the lamps represented by three colors are all white light sources, and only the connection relationship of color with different switches is used.

[0085] In the example of Figure 4 , the light shielding part 12 of the light guide plate is a pasted light shielding part or a sprayed light shielding material.

[0086] In some embodiments, the light shielding part 12 is pasted light shielding paper.

[0087] In some embodiments, the sprayed light shielding material is ink.

[0088] The same layer of light guide plate includes opposite first side and second side.

[0089] The first side and the second side both include light transmission part 13 and light shielding part 12, the light transmission part 13 of the first side is opposite to the light shielding part 12 of the second side, and the light shielding part 12 of the first side is opposite to the light transmission part 13 of the second side.

[0090] Or, the first side includes light transmission part 13 and light shielding part 12, and the second side includes light shielding part 12.

[0091] Or, the first side includes light shielding part 12, and the second side includes light transmission part 13 and light shielding part 12.

[0092] Among them, the light transmission part 13 and the light shielding part 12 are alternately distributed.

[0093] In the example of Figure 4 , the upper side and the lower side of the first light guide plate 3 both include light transmission part 13 and light shielding part 12, the light transmission part 13 of the upper side is opposite to the light shielding part 12 of the lower side, and the light shielding part 12 of the upper side is opposite to the light transmission part 13 of the lower side.

[0094] The upper side of the second light guide plate 4 includes light transmission part 13 and light shielding part 12, and the lower side includes light shielding part 12.

[0095] The upper side of the third light guide plate 5 includes light shielding part 12, and the lower side includes light transmission part 13 and light shielding part 12.

[0096] In the example of Figures 6-8In the example of FIG. 1, when the switch corresponding to the green color representation lamp is turned on, the upper light source enters the first light guide plate 3 through the light transmission portion 13 on the upper side of the first light guide plate 3, and the lower light source enters the first light guide plate 3 through the light transmission portion 13 on the lower side of the first light guide plate 3.

[0097] When the switch corresponding to the yellow color representation lamp is turned on, the upper light source enters the second light guide plate 4 through the light transmission portion 13 on the upper side of the second light guide plate 4.

[0098] When the switch corresponding to the red color representation lamp is turned on, the lower light source enters the third light guide plate 5 through the light transmission portion 13 on the lower side of the third light guide plate 5.

[0099] When the switch corresponding to the green color representation lamp and the yellow color representation lamp is turned on, the upper light source enters the first light guide plate 3 through the light transmission portion 13 on the upper side of the first light guide plate 3, and the upper light source enters the second light guide plate 4 through the light transmission portion 13 on the upper side of the second light guide plate 4, and the lower light source enters the first light guide plate 3 through the light transmission portion 13 on the lower side of the first light guide plate 3.

[0100] When the switch corresponding to the green color representation lamp and the red color representation lamp is turned on, the upper light source enters the first light guide plate 3 through the light transmission portion 13 on the upper side of the first light guide plate 3, the lower light source enters the first light guide plate 3 through the light transmission portion 13 on the lower side of the first light guide plate 3, and the lower light source enters the third light guide plate 5 through the light transmission portion 13 on the lower side of the third light guide plate 5.

[0101] When the switch corresponding to the yellow color representation lamp and the red color representation lamp is turned on, the upper light source enters the second light guide plate 4 through the light transmission portion 13 on the upper side of the second light guide plate 4, and the lower light source enters the third light guide plate 5 through the light transmission portion 13 on the lower side of the third light guide plate 5.

[0102] When the switch corresponding to the green color representation lamp, the yellow color representation lamp, and the red color representation lamp is turned on, the upper light source enters the first light guide plate 3 through the light transmission portion 13 on the upper side of the first light guide plate 3, the upper light source enters the second light guide plate 4 through the light transmission portion 13 on the upper side of the second light guide plate 4, the lower light source enters the first light guide plate 3 through the light transmission portion 13 on the lower side of the first light guide plate 3, and the lower light source enters the third light guide plate 5 through the light transmission portion 13 on the lower side of the third light guide plate 5.

[0103] In the example of FIG. 1, in order to improve the utilization rate of the light source, a light guide member 14 is arranged between the light source and the light guide plate, and the light guide member 14 is used to guide the light of the light source to the light guide plate. Figure 9

[0104] ​Thus, the multi-layer light guide plate of the display device can realize the display effect of pattern superposition or pattern color superposition, the same side of the multi-layer light guide plate corresponds to the same group of light sources, the cost and space can be saved, the side of the light guide plate is provided as a light transmission part and / or a light shielding part, the light of the light source is connected to the power supply through a plurality of switches, and the lighted lamp can be controlled, different display effects can be achieved.

[0105] The above examples are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing examples, the technical solutions recorded in the foregoing examples can still be modified by those of ordinary skill in the art, or some of the technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions claimed by the present application.

Claims

1. A display device of a multi-layer light guide plate light control pattern superimposition, characterized by, The display device comprises: a plurality of light guide plates arranged in layers; a light source, at least two sides of the light guide plate correspond to a group of light sources respectively, each group of light sources comprises a plurality of lamps arranged in the length direction of the side of the light guide plate, and the lamps of the light source are connected to a power supply through a plurality of switches; the side of the light guide plate is provided with a light-transmitting part and / or a light-blocking part.

2. The multi-layer light guide plate light control pattern superimposed display device according to claim 1, characterized by, At least one light guide plate has a pattern and / or a font, and the pattern and / or the font have a light-blocking structure therebetween.

3. The display device of claim 2, wherein, The light-blocking structure is a slit or a filled light-blocking material.

4. The display device of claim 3, wherein, The display device comprises a circuit board, and the light-blocking material is mounted on the circuit board, or a film is additionally mounted on the light guide plate, and the light-blocking material is mounted on the film.

5. The display device of claim 1, wherein the light control pattern of the multi-layer light guide plate is overlaid on the image displayed on the display panel. The surface of the light guide plate is sprayed or additionally mounted with a film.

6. The display device of claim 1, wherein, The light-blocking part is a pasted light-blocking piece or a sprayed light-blocking material.

7. The display device of claim 1, wherein the light control pattern of the multi-layer light guide plate is overlaid on the image displayed on the display panel. A light guide piece is arranged between the light source and the light guide plate.

8. The display device of claim 1, wherein, The light source is a white light source.

9. The display device of any one of claims 1 to 8, wherein, The same layer of light guide plate comprises opposite first and second sides; The first and second sides each comprise a light-transmitting part and a light-blocking part, the light-transmitting part of the first side is opposite to the light-blocking part of the second side, and the light-blocking part of the first side is opposite to the light-transmitting part of the second side; Alternatively, the first side comprises a light-transmitting part and a light-blocking part, and the second side comprises a light-blocking part; Alternatively, the first side comprises a light-blocking part, and the second side comprises a light-transmitting part and a light-blocking part.

10. The display device of claim 9, wherein, The light-transmitting part and the light-blocking part are alternately distributed.

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