Display device

Abstract

According to the display device, a light supplementing substrate is arranged and comprises a first substrate and a plurality of light source assemblies arranged on the first substrate, the first substrate comprises a second substrate and a first reflecting layer arranged on the second substrate, the first reflecting layer is provided with a plurality of openings, and the light source assemblies are arranged corresponding to the openings; the second substrate comprises a third substrate, a second reflecting layer arranged on the side, close to the first substrate, of the third substrate and a color resistance layer arranged on the side, close to the first substrate, of the third substrate, the second reflecting layer corresponds to the opening, and the color resistance layer corresponds to the first reflecting layer; the light generated by the light source assembly can pass through the opening, is sequentially reflected by the second reflecting layer and the first reflecting layer and then penetrates through the color resistance layer to be emitted out of the second substrate, it is guaranteed that when light of external environment light is insufficient, the light source assembly can serve as an auxiliary light source to supplement light for the display device, and normal display of the display device is achieved.

Description

Technical Field

[0001] The present application relates to the field of display technology, and in particular to a display device. Background Art

[0002] Total reflection display is a display technology that eliminates the need for backlight and uses ambient light from the outside to achieve display. Total reflection display devices have the advantages of energy saving and low power consumption. The display principle of traditional total reflection display devices is: the light from the outside ambient light enters the second substrate, passes through the liquid crystal layer and is transmitted to the reflective layer of the first substrate. The light transmitted to the reflective layer is reflected by the reflective layer, and then passes through the liquid crystal layer and the second substrate and then is emitted to achieve normal display of the total reflection display device; however, when the light from the outside ambient light is insufficient, the total reflection display device cannot display normally. Therefore, how to achieve normal display of the total reflection display device when the light from the outside ambient light is insufficient is a problem that needs to be solved urgently. Utility Model Content

[0003] The embodiments of the present application provide a display device to solve the problem that a fully reflective display device cannot display normally due to insufficient external ambient light.

[0004] An embodiment of the present application provides a display device, comprising a light-filling substrate and a display panel, wherein the light-filling substrate is arranged on one side of the display panel, wherein;

[0005] The supplementary light substrate comprises a first substrate and a plurality of light source components arranged on the first substrate, and two adjacent light source components are arranged at intervals;

[0006] The display panel includes a first substrate, a second substrate, and a liquid crystal layer arranged between the first substrate and the second substrate, the second substrate is opposite to the first substrate, and the second substrate is located above the first substrate, the first substrate includes a second substrate and a first reflection layer arranged on the second substrate, the first reflection layer has a plurality of openings, and the light source assembly is arranged corresponding to the openings, the second substrate includes a third substrate, a second reflection layer arranged on a side of the third substrate close to the first substrate, and a color resist layer arranged on a side of the third substrate close to the first substrate, the second reflection layer is arranged corresponding to the openings, and the color resist layer corresponds to the first reflection layer.

[0007] Furthermore, the second reflective layer includes a plurality of second reflective portions, the plurality of second reflective portions are arranged at intervals, and in a top view of the display device, the second reflective portions cover the openings.

[0008] Furthermore, the first reflective layer includes a plurality of first reflective portions, the plurality of first reflective portions are arranged at intervals, and in a top view of the display device, a portion of the first reflective portion overlaps a portion of the second reflective portion.

[0009] Furthermore, the color resist layer includes a plurality of color resists, the plurality of color resists are arranged at intervals, and in a top view of the display device, a portion of the first reflective portion overlaps with the color resists.

[0010] Furthermore, the display device includes a black matrix, which is located between the second reflective layer and the third substrate. The black matrix includes a plurality of black matrix parts, and the black matrix part is located between two adjacent color resists, wherein in a top view of the display device, the second reflective layer covers the black matrix.

[0011] Furthermore, a surface of the black matrix close to the first substrate is provided with a plurality of protruding portions, and the plurality of protruding portions are arranged at intervals.

[0012] Furthermore, the cross section of the protruding portion is conical.

[0013] Furthermore, the first substrate also includes a first transparent electrode layer, which is arranged on a surface of the first reflective layer close to the second substrate, and the second substrate also includes a second transparent electrode layer, which is arranged on a surface of the color resist layer close to the first substrate; in a top view of the display device, a portion of the first transparent electrode layer overlaps with the second transparent electrode layer.

[0014] Furthermore, a surface of the second reflective layer close to the first substrate is flush with a surface of the second transparent electrode layer close to the first substrate.

[0015] Furthermore, the light source assembly includes:

[0016] LED lamp beads, the LED lamp beads are arranged on the first substrate;

[0017] A lens is disposed on the first substrate and surrounds the LED lamp bead.

[0018] Beneficial effects of this application:

[0019] The present application provides a display device, wherein the fill light substrate includes a first substrate and a plurality of light source assemblies arranged on the first substrate, the first substrate includes a second substrate and a first reflection layer arranged on the second substrate, the first reflection layer has a plurality of openings, the light source assembly is arranged corresponding to the openings, the second substrate includes a third substrate, a second reflection layer arranged on a side of the third substrate close to the first substrate, and a color resist layer arranged on a side of the third substrate close to the first substrate, the second reflection layer is arranged corresponding to the openings, and the color resist layer corresponds to the first reflection layer; so that the light generated by the light source assembly can pass through the openings, be reflected by the second reflection layer and the first reflection layer in sequence, and then pass through the color resist layer to be emitted from the second substrate, so as to ensure that when the light of the external environment light is insufficient, the light source assembly can be used as an auxiliary light source to fill light for the display device, so as to realize normal display of the display device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic diagram of a conventional display device;

[0021] Figure 2 is a schematic diagram of a display device of the present application;

[0022] Figure 3 yes Figure 2 An enlarged schematic diagram of position A of the display device shown;

[0023] Figure 4 yes Figure 2 A schematic diagram of the light path of the display device shown.

[0024] 100-supplementary light substrate, 110-first substrate, 120-light source assembly, 121-LED lamp beads, 122-lens, 130-first driving layer; 200-first substrate, 210-second substrate, 220-first polarizing layer, 230-first reflecting layer, 231-first reflecting part, 232-opening, 240-first transparent electrode layer, 250-second driving layer; 300-second substrate, 310-third substrate, 320-color color resistance layer, 321-color resistance, 330-black matrix, 331-black matrix part, 340-second reflecting layer, 341-second reflecting part, 350-second polarizing layer, 360-second transparent electrode layer; 400-liquid crystal layer.

[0025] 10 - first substrate, 11 - reflective layer; 20 - second substrate; 30 - liquid crystal layer. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. The technical solutions described below are only used to explain and illustrate the ideas of the present application and should not be regarded as limiting the scope of protection of the present application.

[0027] In addition, the terms "first", "second" and similar words do not indicate any order, quantity or importance, but are only used to distinguish different technical features. The term "plurality" and similar words mean two or more, unless otherwise clearly defined.

[0028] Fully reflective display is a display technology that eliminates the need for backlight sources and uses ambient light from the outside to achieve display. Fully reflective display devices have the advantages of energy saving and low power consumption. Figure 1 The display principle of the traditional fully reflective display device is: the light of the external ambient light enters the second substrate 20, is transmitted to the reflective layer 11 of the first substrate 10 through the liquid crystal layer 30, and the light transmitted to the reflective layer 11 is reflected by the reflective layer 11, and then is emitted after passing through the liquid crystal layer 30 and the second substrate 20, so as to realize the normal display of the fully reflective display device; however, when the light of the external ambient light is insufficient, the fully reflective display device cannot display normally. Therefore, how to realize the normal display of the fully reflective display device when the light of the external ambient light is insufficient is a problem that needs to be solved urgently.

[0029] The embodiment of the present application provides a display device, referring to Figure 2 The display device includes a fill light substrate and a display panel. The fill light substrate 100 is arranged on one side of the display panel. The display panel includes a first substrate 200, a second substrate 300 and a liquid crystal layer 400. The second substrate 300 is opposite to the first substrate 200, and the second substrate 300 is located above the first substrate 200. The liquid crystal layer 400 is located between the first substrate 200 and the second substrate 300.

[0030] Specifically, the fill light substrate 100 includes a first substrate 110 and a plurality of light source assemblies 120 disposed on the first substrate 110, and two adjacent light source assemblies 120 are arranged at intervals. The first substrate 200 includes a second substrate 210 and a first reflective layer 230 disposed on the second substrate, the first reflective layer 230 has a plurality of openings 232, and the light source assemblies 120 are arranged corresponding to the openings 232. The second substrate 300 includes a third substrate 310, a second reflective layer 340 disposed on a side of the third substrate 310 close to the first substrate 200, and a color resist layer 320 disposed on a side of the third substrate 310 close to the first substrate 200, the second reflective layer 340 is arranged corresponding to the openings 232, and the color resist layer 320 corresponds to the first reflective layer 230.

[0031] The fill light substrate 100 includes a first substrate 110 and a plurality of light source assemblies 120 disposed on the first substrate 110, the first substrate 200 includes a second substrate 210 and a first reflective layer 230 disposed on the second substrate 210, the first reflective layer 230 has a plurality of openings 232, the light source assembly 120 is disposed corresponding to the openings 232, the second substrate 300 includes a third substrate 310, a second reflective layer 340 disposed on a side of the third substrate 310 close to the first substrate, and a color resist layer 320 disposed on a side of the third substrate 310 close to the first substrate 200, the second reflective layer 340 is disposed corresponding to the openings 232, and the color resist layer corresponds to the first reflective layer 230; so that the light generated by the light source assembly 120 can pass through the openings 232, be reflected by the second reflective layer 340 and the first reflective layer 230 in sequence, and then pass through the color resist layer 320 and be emitted from the second substrate 300, so as to ensure that when the light of the external environment light is insufficient, the light source assembly 120 can be used as an auxiliary light source to fill light for the display device, so as to realize normal display of the display device.

[0032] In this embodiment, the display device is a total reflection display device.

[0033] In this embodiment, the supplemental light substrate is located below the first substrate.

[0034] In this embodiment, the supplemental light substrate 100 further includes a first driving layer 130 , and the first driving layer 130 is disposed on the first substrate 110 .

[0035] In this embodiment, the first substrate 200 further includes a second driving layer 250 , and the second driving layer 250 is located between the second substrate 210 and the first reflective layer 230 .

[0036] In this embodiment, the second substrate 210 is a transparent substrate, and the third substrate 310 is a transparent substrate.

[0037] In this embodiment, the material of the second reflective layer 340 includes at least one of copper, aluminum or silver.

[0038] In this embodiment, the second reflective layer 340 includes a plurality of second reflective portions 341, and the plurality of second reflective portions 341 are arranged at intervals. In the top view of the display device, the second reflective portion 341 covers the opening 232. By arranging in the top view of the display device that the second reflective portion 341 covers the opening 232, the light generated by the light source assembly 120 can be transmitted to the second reflective portion 341 to the maximum extent after passing through the opening 232, and the light generated by the light source assembly 120 can be transmitted to the black matrix 330 of the second substrate 300 after passing through the opening 232 due to the small area of ​​the second reflective portion 341, thereby ensuring the light efficiency of the display device.

[0039] Specifically, in the top view of the display device, the area of ​​the second reflective portion 341 is not less than the area of ​​the opening 232 .

[0040] In this embodiment, the first reflective layer 230 includes a plurality of first reflective portions 231, and the plurality of first reflective portions 231 are arranged at intervals. In the top view of the display device, a portion of the first reflective portion 231 overlaps a portion of the second reflective portion 341. By arranging that a portion of the first reflective portion 231 overlaps a portion of the second reflective portion 341 in the top view of the display device, the area of ​​the second reflective portion 341 is increased, so that the light generated by the light source assembly 120 can be transmitted to the second reflective portion 341 to the maximum extent after passing through the opening 232, and the light generated by the light source assembly 120 can be transmitted to the black matrix 330 of the second substrate 300 after passing through the opening 232 due to the small area of ​​the second reflective portion 341, thereby ensuring the light efficiency of the display device.

[0041] In this embodiment, the color resist layer 320 includes a plurality of color resists 321, and the plurality of color resists 321 are arranged at intervals. In the top view of the display device, a portion of the first reflective portion 231 overlaps with the color resist 321. By arranging that a portion of the first reflective portion 231 overlaps with the color resist 321 in the top view of the display device, the light transmitted to the first reflective portion 231 can be transmitted to the color resist 321 to the maximum extent after being reflected by the first reflective portion 231 and emitted from the second substrate 300.

[0042] In this embodiment, among three adjacent color resists 321 , the color of the first color resist 321 is red, the color of the second color resist 321 is blue, and the color of the third color resist 321 is green.

[0043] In this embodiment, the display device includes a black matrix 330, the black matrix 330 is located between the second reflective layer 340 and the third substrate 310, the black matrix 330 includes a plurality of black matrix parts 331, and the black matrix parts 331 are located between two adjacent color resists 321, wherein, in a top view of the display device, the second reflective layer 340 covers the black matrix 330. By arranging the second reflective layer 340 to cover the black matrix 330, it is possible to prevent the light generated by the light source assembly 120 from being absorbed by the black matrix 330 after passing through the opening 232, thereby ensuring the light efficiency of the display device.

[0044] In this embodiment, the second reflective portion 341 covers the black matrix portion 331 .

[0045] In this embodiment, reference Figure 3A surface of the black matrix 330 close to the first substrate 200 is provided with a plurality of protrusions, which are arranged at intervals. By providing a surface of the black matrix 330 close to the first substrate 200 with a plurality of protrusions, which are arranged at intervals, a surface of the black matrix 330 close to the first substrate 200 can form a scattering structure, thereby improving the display uniformity of the display device.

[0046] In this embodiment, the cross section of the protruding portion is tapered.

[0047] In this embodiment, the protruding portion is a protrusion.

[0048] In this embodiment, the protruding portion is a convex strip.

[0049] In this embodiment, the first substrate 200 further includes a first transparent electrode layer 240, which is disposed on a surface of the first reflective layer 230 close to the second substrate 300. The second substrate 300 further includes a second transparent electrode layer 360, which is disposed on a surface of the color resist layer 320 close to the first substrate 200. In a top view of the display device, a portion of the first transparent electrode layer 240 overlaps with the second transparent electrode layer 360.

[0050] In this embodiment, a surface of the second reflective layer 340 close to the first substrate 200 is flush with a surface of the second transparent electrode layer 360 close to the first substrate 200 .

[0051] In this embodiment, the first substrate 200 further includes a first polarizing layer 220 . The first polarizing layer 220 is disposed on a surface of the second substrate 210 close to the light-supplementing substrate 100 .

[0052] In this embodiment, the second substrate 300 further includes a second polarizing layer 350 . The second polarizing layer 350 is disposed on a surface of the third substrate 310 away from the first substrate 200 .

[0053] In this embodiment, the light source assembly 120 includes an LED lamp bead 121 and a lens 122. The LED lamp bead 121 is disposed on the first substrate 110, and the lens 122 is disposed on the first substrate 110, and the lens 122 surrounds the LED lamp bead 121. By providing the lens 122, the lens 122 can converge the light generated by the LED lamp bead 121, ensuring that more light can be transmitted to the second reflective layer 340, thereby improving the utilization rate of light and the uniformity of display.

[0054] refer to Figure 4When the display device displays under the condition of sufficient ambient light, the light source assembly 120 is turned off, and the ambient light is sequentially transmitted through the second polarizing layer 350, the third substrate 310, the black color resist 321, the second reflective layer 340, the liquid crystal layer 400 and the first transparent electrode layer 240 to the first reflective layer 230, and the first reflective layer 230 reflects the light. The light reflected by the first reflective layer 230 sequentially passes through the liquid crystal layer 400, the second transparent electrode layer 360, the color resist layer 320, the third substrate 310 and the second polarizing layer 350 to be emitted, thereby realizing normal display of the display device.

[0055] refer to Figure 4 When the display device displays under the condition of insufficient ambient light, the light source assembly 120 is turned on. On the one hand, the ambient light passes through the second polarizing layer 350, the third substrate 310, the black color resist 321, the second reflective layer 340, the liquid crystal layer 400 and the first transparent electrode layer 240 to the first reflective layer 230, and the first reflective layer 230 reflects the light. The light reflected by the first reflective layer 230 passes through the liquid crystal layer 400, the second transparent electrode layer 360, the color resist layer, the third substrate 310 and the second polarizing layer 350 to be emitted. On the other hand, when the light source assembly 120 is turned on, the light generated by the LED lamp bead 121 passes through the first polarizing layer 220, the second substrate 210, and is transmitted from the opening 232 to the liquid crystal layer 400, and then the light generated by the LED lamp bead 121 passing through the liquid crystal layer 400 is transmitted to the second reflection layer 340, the second reflection layer 340 reflects the light generated by the LED lamp bead 121 once, so that the light generated by the LED lamp bead 121 is transmitted to the first reflection layer 230, and the first reflection layer 230 reflects the light twice. The light reflected by the first reflection layer 230 is emitted through the liquid crystal layer 400, the second transparent electrode layer 360, the color resist layer 320, the third substrate 310 and the second polarizing layer 350 in sequence, thereby realizing normal display of the display device.

[0056] The above is a detailed description of the specific implementation of the present application. The above implementation disclosed in the present application is only the preferred implementation of the present application. For ordinary technicians in this field, many modifications and improvements can be made without departing from the concept of the present application. These modifications and improvements all fall within the scope of protection defined by the claims of the present application.

Claims

1. A display device, characterized in that: It comprises a fill light substrate and a display panel, wherein the fill light substrate is arranged on one side of the display panel, wherein; The supplementary light substrate comprises a first substrate and a plurality of light source components arranged on the first substrate, and two adjacent light source components are arranged at intervals; The display panel includes a first substrate, a second substrate, and a liquid crystal layer arranged between the first substrate and the second substrate, the second substrate is opposite to the first substrate, and the second substrate is located above the first substrate, the first substrate includes a second substrate and a first reflection layer arranged on the second substrate, the first reflection layer has a plurality of openings, and the light source assembly is arranged corresponding to the openings, the second substrate includes a third substrate, a second reflection layer arranged on a side of the third substrate close to the first substrate, and a color resist layer arranged on a side of the third substrate close to the first substrate, the second reflection layer is arranged corresponding to the openings, and the color resist layer corresponds to the first reflection layer.

2. The display device according to claim 1, characterized in that The second reflective layer includes a plurality of second reflective portions, the plurality of second reflective portions are arranged at intervals, and in a plan view of the display device, the second reflective portions cover the openings.

3. The display device according to claim 2, characterized in that: The first reflective layer includes a plurality of first reflective portions, the plurality of first reflective portions are arranged at intervals, and in a plan view of the display device, a portion of the first reflective portion overlaps a portion of the second reflective portion.

4. The display device according to claim 3, characterized in that: The color resist layer includes a plurality of color resists, and the plurality of color resists are arranged at intervals. In a top view of the display device, a portion of the first reflective portion overlaps with the color resists.

5. The display device according to claim 4, characterized in that: The display device includes a black matrix, which is located between the second reflective layer and the third substrate. The black matrix includes a plurality of black matrix parts, which are located between two adjacent color resists. In a top view of the display device, the second reflective layer covers the black matrix.

6. The display device according to claim 5, characterized in that: A surface of the black matrix close to the first substrate is provided with a plurality of protruding portions, and the plurality of protruding portions are arranged at intervals.

7. The display device according to claim 6, characterized in that: The cross section of the protruding portion is tapered.

8. The display device according to claim 1, characterized in that: The first substrate further includes a first transparent electrode layer, which is disposed on a surface of the first reflective layer close to the second substrate. The second substrate further includes a second transparent electrode layer, which is disposed on a surface of the color resist layer close to the first substrate. In a top view of the display device, a portion of the first transparent electrode layer overlaps with the second transparent electrode layer.

9. The display device according to claim 8, characterized in that: A surface of the second reflective layer close to the first substrate is flush with a surface of the second transparent electrode layer close to the first substrate.

10. The display device according to claim 1, characterized in that The light source assembly comprises: LED lamp beads, the LED lamp beads are arranged on the first substrate; A lens is disposed on the first substrate and surrounds the LED lamp bead.

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