First substrate, display panel and display device

Abstract

The present application belongs to the field of display technology, and specifically relates to a first substrate, a display panel, and a display device. The first substrate includes a base substrate and a color resist layer arranged on the base substrate, the color resist layer includes a plurality of color resist units of different colors, and adjacent color resist units are arranged at intervals from each other; the first substrate also includes: a dimming layer, the dimming layer is arranged on one side of the color resist layer, the dimming layer includes a dimming electrode and a dimming element, the dimming element is connected to the dimming electrode, and forms a closed loop with the dimming electrode, the dimming electrode has a first state and a second state, one of the first state and the second state is a power-on state, and the other is a power-off state; wherein, when the dimming electrode is in the first state, the dimming element is in a released state, and the side of the dimming element away from the base substrate is a light-transmitting surface; when the dimming electrode is in the second state, the dimming element is in a contracted state, and the side of the dimming element away from the base substrate is a reflective surface. This solution can be switched between normal display mode and mirror mode at will.

Description

Technical Field

[0001] The present application belongs to the field of display technology, and specifically relates to a first substrate, a display panel and a display device. Background Art

[0002] With the continuous development of smart technology, the market demand for products that combine mirrors and displays is becoming more and more widespread. Such products have both image display and mirror functions, and are not only used in home, shopping malls, advertising, beauty and other application scenarios, but also in other application scenarios as needed.

[0003] At present, the existing reality devices cannot switch between the mirror state (mode) and the display state at will, which causes the problem of inconvenience in use. Summary of the invention

[0004] The purpose of the present application is to provide a first substrate, a display panel and a display device, which can be switched freely between a normal display mode and a mirror mode.

[0005] In a first aspect, the present application provides a first substrate, the first substrate comprising a base substrate and a color resist layer disposed on the base substrate, the color resist layer comprising a plurality of color resist units of different colors, and adjacent color resist units are arranged at intervals from each other; the first substrate further comprises:

[0006] A dimming layer, the dimming layer is arranged on one side of the color resist layer, the dimming layer comprises a dimming electrode and a dimming element, the dimming element is electrically connected to the dimming electrode and forms a closed loop with the dimming electrode, the dimming electrode has a first state and a second state, one of the first state and the second state is a power-on state, and the other is a power-off state;

[0007] Among them, when the dimming electrode is in the first state, the dimming element is in a released state, and the side of the dimming element away from the base substrate is a transparent surface; when the dimming electrode is in the second state, the dimming element is in a contracted state, and the side of the dimming element away from the base substrate is a reflective surface.

[0008] In an exemplary embodiment of the present application, the dimming layer is disposed on a side of the color resist layer away from the base substrate, and the dimming electrode includes a light-transmitting electrode block, a first electrode block, and a second electrode block;

[0009] The first electrode block and the second electrode block are respectively arranged at opposite ends of the transparent electrode block, the first electrode block and the second electrode block are extended in the direction from the color resist layer to the base substrate, the first electrode block, the transparent electrode block and the second electrode block form a dimming cavity for accommodating the dimming element, and the inner wall of the dimming cavity is connected to the dimming element;

[0010] The first electrode block, the dimming element, the second electrode block and the light-transmitting electrode block form the closed loop.

[0011] In an exemplary embodiment of the present application, the dimming element is in a light-transmitting state, and the dimming element includes a protruding portion and a recessed portion arranged in sequence, and the orthographic projection of the recessed portion on the base substrate covers the orthographic projection of the color resist unit on the base substrate; an adjustment layer is provided on a side of the protruding portion away from the base substrate, and the orthographic projection of the adjustment layer on the base substrate has no overlap with the orthographic projection of the color resist unit on the base substrate, and the adjustment layer is a light-transmitting layer when the dimming element is in the released state.

[0012] In an exemplary embodiment of the present application, the dimming element includes a plurality of the protruding portions and a plurality of the recessed portions;

[0013] When the dimming element is in the contracted state, the adjustment layer becomes a reflective layer under the action of the dimming electrode, and the adjustment layer on the protruding portion is connected to form a plane, which is the reflective surface.

[0014] In an exemplary embodiment of the present application, when the dimming electrode is converted from the first state to the second state, the first electrode block is positive and the second electrode block is negative;

[0015] A driving electric field is formed between the first electrode block and the second electrode block, and the protrusions are moved closer to each other under the action of the driving electric field, and the adjustment layers of the protrusions are connected to form the reflection surface.

[0016] In an exemplary embodiment of the present application, the first substrate further includes a light-transmitting encapsulation layer, which is disposed on a side of the base substrate away from the color resist layer, and has a packaging cavity, and the dimming layer is disposed in the packaging cavity.

[0017] In an exemplary embodiment of the present application, a gap exists between the dimming layer and the inner bottom wall of the packaging cavity.

[0018] In an exemplary embodiment of the present application, the light modulating element includes an electroconductive shrinkage material.

[0019] A second aspect of the present application provides a display panel, the display panel comprising:

[0020] a second substrate;

[0021] a liquid crystal layer, the liquid crystal layer comprising a plurality of liquid crystal molecules; and

[0022] The first substrate described in any one of the above items, wherein the liquid crystal layer is provided between the first substrate and the second substrate;

[0023] Wherein, the display panel is in a normal display mode when the dimming element is in a released state; and the display panel is in a mirror mode when the dimming element is in a retracted state.

[0024] A third aspect of the present application provides a display device, the display device comprising:

[0025] Backlight module; and

[0026] The display panel described above is arranged on the light emitting side of the backlight module, and the second substrate is arranged on a side of the first substrate close to the backlight module.

[0027] The first substrate, display panel and display device of the present application have at least the following beneficial effects:

[0028] The first substrate of the present application solution includes a dimming layer, and the dimming layer includes a dimming electrode and a dimming element. A closed loop is formed between the dimming electrode and the dimming element. The dimming electrode has a first state and a second state, one of which is a power-on state and the other is a power-off state. The dimming element can be in a released state when the dimming electrode is in the first state. In the released state, the side of the dimming element away from the base substrate is a light-transmitting surface, and the light emitted from the color-resistance unit will not be absorbed by the dimming element. The light passing through the color-resistance unit is normally emitted, and the external light will not be reflected by the dimming element. The first substrate will not form a reflective surface, so that the first substrate can emit light normally, and the display panel is in a normal display mode. The dimming element can be in a contracted state when the dimming electrode is in the second state, and the side of the dimming element away from the base substrate is a reflective surface. That is, the light emitted from the color-resistance unit will be absorbed by the dimming element, and the light passing through the color-resistance unit cannot be emitted normally, and the external light will be reflected by the dimming element, and the external light will be reflected back into the user's sight to form a reflective surface, so that the first substrate cannot emit light normally, and reflects the external light back into the user's sight, thereby achieving a mirror effect, and then making the display panel in mirror mode. That is, by switching the state of the dimming electrode to switch the normal display mode and the mirror mode of the display panel, the switching between the two modes is convenient and fast, which improves the user's convenience.

[0029] Other features and advantages of the present application will become apparent from the following detailed description, or may be learned in part by the practice of the present application.

[0030] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The drawings herein are incorporated into the specification and constitute a part of the specification, illustrate embodiments consistent with the present application, and together with the specification are used to explain the principles of the present application. Obviously, the drawings described below are only some embodiments of the present application, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0032] Figure 1 A schematic structural diagram of a first substrate provided in Embodiment 1, Embodiment 2 or Embodiment 3 of the present application is shown;

[0033] Figure 2 A schematic diagram showing the structure of the first substrate in specular reflection provided in Embodiment 1, Embodiment 2 or Embodiment 3 of the present application is shown;

[0034] Figure 3 A schematic diagram showing the structure of a display panel in a normal display mode provided by Embodiment 1, Embodiment 2 or Embodiment 3 of the present application is shown;

[0035] Figure 4 A schematic diagram showing the structure of a display panel in mirror mode provided in Embodiment 1, Embodiment 2 or Embodiment 3 of the present application is shown;

[0036] Figure 5 A schematic diagram showing the structure of a display device provided in a third embodiment of the present application in a normal display mode;

[0037] Figure 6 A schematic structural diagram of a display panel in mirror mode provided in Embodiment 3 of the present application is shown.

[0038] Description of reference numerals:

[0039] 1. Display device; 10. Display panel; 100. First substrate; 110. Base substrate; 120. Color resist layer; 121. Color resist unit; 130. Dimming layer; 131. Dimming electrode; 1310. Transparent electrode block; 1311. First electrode block; 1312. Second electrode block; 132. Dimming element; 1320. Protrusion; 1321. Concave portion; 133. Dimming cavity; 134. Adjustment layer; 140. Transparent encapsulation layer; 141. Encapsulation cavity; 150. Common electrode; 200. Second substrate; 210. Pixel electrode; 300. Liquid crystal layer; 310. Liquid crystal molecules; 400. Frame glue; 500. Silver glue; 20. Backlight module; 30. Upper polarizer; 40. Lower polarizer. DETAILED DESCRIPTION

[0040] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this application will be more comprehensive and complete and fully convey the concept of the example embodiments to those skilled in the art.

[0041] In this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0042] In this application, unless otherwise clearly specified and limited, the terms "assembly", "connection" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0043] In addition, described feature, structure or characteristic can be combined in one or more embodiments in any suitable manner. In the following description, many specific details are provided to provide a full understanding of the embodiments of the present application. However, those skilled in the art will appreciate that the technical scheme of the present application can be put into practice without one or more of the specific details, or other methods, components, devices, steps, etc. can be adopted. In other cases, known methods, devices, realizations or operations are not shown or described in detail to avoid blurring the various aspects of the application.

[0044] Embodiment 1

[0045] The first embodiment of the present application provides a first substrate 100, see Figure 1 As shown, the first substrate 100 includes a base substrate 110 and a color resist layer 120 disposed on the base substrate 110. The first substrate 100 may be an array substrate or a color filter substrate of a liquid crystal display panel (LCD), an array substrate of a micro light emitting diode (microlight emitting diode display, micro LED), or an array substrate of an organic light emitting diode (organic light-emitting diode, OLED), but is not limited thereto.

[0046] It is understandable that when the first substrate 100 is an array substrate of a liquid crystal display panel, the color resist layer 120 on the first substrate 100 is located on the array substrate side, while the color resist layer 120 is not provided on the color filter substrate side.

[0047] In order to realize the switching between the normal display mode and the mirror mode of the display panel 10 , the first substrate 100 further includes a dimming layer 130 , and the dimming layer 130 is disposed on one side of the color resist layer 120 .

[0048] The dimming layer 130 includes a dimming electrode 131 and a dimming element 132. The dimming element 132 is connected to the dimming electrode 131 and forms a closed loop with the dimming electrode 131. The dimming electrode 131 has a first state and a second state, one of which is a power-on state and the other is a power-off state.

[0049] For example, the first state is a power-on state, and the second state is a power-off state. When the first state is a power-off state, the second state is a power-on state.

[0050] Among them, see Figure 1 As shown, the dimming element 132 can be in a released state when the dimming electrode 131 is in a first state. In the released state: the side of the dimming element 132 away from the base substrate 110 is a light-transmitting surface, the light emitted from the color resistance unit 121 will not be absorbed by the dimming element 132, the light passing through the color resistance unit 121 can be emitted normally, and the external light will not be reflected by the dimming element 132, and the first substrate 100 will not form a reflective surface, so that the first substrate 100 can emit light normally, achieve a normal picture display effect, and then the display panel 10 is in a normal display mode.

[0051] See also Figure 2 As shown, the dimming element 132 can be in a retracted state when the dimming electrode 131 is in the second state. In the retracted state: the side of the dimming element 132 away from the base substrate 110 is a reflective surface, and the light emitted from the color resistance unit 121 will be absorbed by the dimming element 132, and the light passing through the color resistance unit 121 cannot be emitted normally, and the external light will be reflected by the dimming element 132, and the external light is reflected back to the user's line of sight. The first substrate 100 forms a reflective surface, so that the first substrate 100 cannot emit light normally, and this reflective surface can reflect the external light back to the user's line of sight along the original path, achieving a reflection effect, thereby achieving a mirror effect, and then making the display panel 10 in a mirror mode.

[0052] That is, the dimming element 132 can realize the light-transmitting surface or the reflective surface according to the power-on state of the dimming electrode 131, so as to switch the normal display mode and the mirror mode of the display panel 10. By controlling the state of the dimming electrode 131 to switch the normal display mode and the mirror mode of the display panel 10, the switching between the two working modes is simpler and more convenient, thereby improving the convenience of use for users.

[0053] The dimming layer 130 can be disposed on the side of the color resist layer 120 away from the base substrate 110 or on the side of the base substrate 110 away from the color resist layer 120 . The specific design position can be determined according to the type of the display panel 10 .

[0054] For example, the display panel 10 is a liquid crystal display panel. Figure 1 As shown, the liquid crystal display panel 10 includes an array substrate, a liquid crystal layer 300 and a color filter substrate, wherein the liquid crystal layer 300 is disposed between the array substrate and the color filter substrate. When the first substrate 100 is a color filter substrate, the dimming layer 130 is disposed on the side of the base substrate 110 away from the color resist layer 120, that is, the dimming layer 130 is disposed on the back side of the base substrate 110 away from the liquid crystal layer 300. By controlling the state of the dimming element 132 in the dimming layer 130, it is determined whether the display panel 10 is in the normal display mode or the mirror mode.

[0055] It is worth mentioning that when the display panel 10 is a liquid crystal display panel, the color resist layer 120 can be disposed on a color filter substrate or on an array substrate.

[0056] In addition, the dimming layer 130 is arranged on the back side of the base substrate 110. On the one hand, it can save in-plane space. On the other hand, since the dimming layer 130 is arranged on the side of the color film substrate away from the liquid crystal layer 300, it is adjacent to the outside world. The external light will not be affected by other components and refracted or reflected, but will only be reflected by the dimming element 132. The reflection effect is good and better mirror reflection can be achieved.

[0057] The following will be described in detail assuming that the first substrate 100 is a color filter substrate of a liquid crystal display panel.

[0058] The first substrate 100 includes a base substrate 110 . The base substrate 110 may be a glass substrate, but is not limited thereto. It may also be a substrate made of other materials, such as PI material.

[0059] like Figure 1As shown, the first substrate 100 also includes a color resist layer 120, and the color resist layer 120 includes a plurality of color resist units 121 of different colors, such as a red color resist unit 121, a green color resist unit 121, and a blue color resist unit 121; or a red color resist unit 121, a green color resist unit 121, a blue color resist unit 121, and a white color resist unit 121, etc., but is not limited thereto.

[0060] The first substrate 100 further includes a light shielding layer for preventing mutual interference between adjacent color-resistance units 121 . The light shielding layer includes light shielding areas and light-transmitting areas arranged in an array. The orthographic projection of the color-resistance unit 121 covers the light-transmitting area.

[0061] In the embodiment of the present application, the color-resistance unit 121 is located in the light-shielding area. The light-shielding layer may be a black matrix BM.

[0062] See also Figure 1 or Figure 2 As shown, the dimming electrode 131 includes a transparent electrode block 1310, a first electrode block 1311 and a second electrode block 1312. The transparent electrode block 1310, the first electrode block 1311 and the second electrode block 1312 can be integrally formed or designed in sections, and can be specifically designed according to different embodiments. The first electrode block 1311 and the second electrode block 1312 are respectively arranged at opposite ends of the transparent electrode block 1310, and the first electrode block 1311 and the second electrode block 1312 are extended in the direction from the color resist layer 120 to the base substrate 110, and the first electrode block 1311 and the second electrode block 1312 are arranged parallel to each other. The first electrode block 1311, the transparent electrode block 1310 and the second electrode block 1312 form a dimming cavity 133 for accommodating the dimming element 132, and the inner wall of the dimming cavity 133 is connected to the dimming element 132. That is, the dimming element 132 is disposed in the dimming cavity 133 , and the dimming element 132 is electrically connected to the inner wall of the dimming cavity 133 .

[0063] The first electrode block 1311, the dimming element 132, the second electrode block 1312 and the light-transmitting electrode block 1310 form a closed loop. When the dimming electrode 131 is in the first state or the second state, the first electrode block 1311 and the second electrode block 1312 form an electric field, and the dimming element 132 is adjusted to be in a released state or a contracted state under the action of the electric field. The state of the dimming element 132 is controlled by using the electric field formed by the first electrode block 1311 and the second electrode block 1312. The control method is simple and the controllability is strong. The switching between the normal display mode and the mirror mode is more convenient and fast.

[0064] It should be noted that the first electrode block 1311 , the light-transmitting electrode block 1310 and the second electrode block 1312 can all be made of light-transmitting materials, such as light-transmitting materials such as indium tin oxide (ITO).

[0065] In addition, the light-transmitting electrode block 1310 can be electrically connected to a driving chip on the control panel, and the current and voltage input into the light-transmitting electrode block 1310 are controlled by the driving chip.

[0066] The light modulator 132 is in a light-transmitting state, and the light modulator 132 does not change the emission or incident angle of the light. Figure 1 As shown, the light modulator 132 includes a protruding portion 1320 and a recessed portion 1321 arranged in sequence, and the orthographic projection of the recessed portion 1321 on the base substrate 110 covers the orthographic projection of the color resist unit 121 on the base substrate 110, that is, the recessed portion 1321 corresponds to the color resist unit 121 one by one, and the light emitted from the color resist unit 121 can be emitted through the recessed portion 1321. An adjustment layer 134 is provided on the side of the protruding portion 1320 away from the base substrate 110, and the orthographic projection of the adjustment layer 134 on the base substrate 110 does not overlap with the orthographic projection of the color resist unit 121 on the base substrate 110, that is, the adjustment layer 134 does not correspond to the color resist unit 121.

[0067] And the adjustment layer 134 is a reflective layer or a light-transmitting layer when the dimming element 132 is in the released state. It can be understood that when the adjustment layer 134 is a reflective layer, the external light will be reflected back to the user's line of sight by a part of the reflective layer, which can play a reflective role, and the light emitted by the color resistance unit 121 will be blocked by this adjustment layer 134, reducing the range of the light emitted by the color resistance unit 121, and realizing a narrow viewing angle mode. When the adjustment layer 134 is a light-transmitting layer, the light emitted by the color resistance unit 121 will not be blocked by the adjustment layer 134, and the viewing angle of the light emitted by the color resistance unit 121 will not be blocked, and normal display will be performed to realize a wide viewing angle mode.

[0068] That is, when the dimming element 132 is in the released state, the adjustment layer 134 is controlled to be in the reflective layer or the light-transmitting layer according to the need, thereby realizing the narrow viewing angle mode and the wide viewing angle mode. In the wide viewing angle mode, the external light will not be reflected back to the user's sight, and the display panel 10 is still in the normal display mode.

[0069] In the examples of this application, see Figure 2 As shown, the dimming element 132 includes a plurality of protrusions 1320 and a plurality of recesses 1321, and the plurality of protrusions 1320 and the plurality of recesses 1321 are sequentially arranged at intervals, and the recesses 1321 correspond one to one with the color resistance units 121. When the dimming element 132 is in a contracted state, the adjustment layer 134 is a reflective layer under the action of the dimming electrode 131, and the adjustment layer 134 of the protrusions 1320 is connected to form a plane, which is a reflective surface.

[0070] That is, when the dimming element 132 is in a retracted state, the adjustment layer 134 is a reflective layer, and the adjustment layers 134 on all the protrusions 1320 are connected to form a reflective surface. In other words, the light emitted from the color resistance unit 121 will be absorbed by the dimming element 132, and the light passing through the color resistance unit 121 cannot be emitted normally, and the external light will be reflected by the dimming element 132, and the external light will be reflected back to the user's line of sight to form a reflective surface, so that the first substrate 100 cannot emit light normally, and the external light is reflected back to the user's line of sight, thereby achieving a mirror effect, and then the display panel 10 is in a mirror mode.

[0071] It is worth mentioning that the orthographic projection of the protrusion 1320 on the base substrate 110 completely overlaps with the orthographic projection of the adjustment layer 134 on the base substrate 110 , that is, the adjustment layer 134 and the protrusion 1320 have the same area.

[0072] In addition, the adjustment layer 134 may be an electrochromic material, which can determine whether it is in a light-transmitting state or a reflective state according to different voltages.

[0073] In addition, the adjustment layer 134 can also be a silver layer, that is, a reflective layer. The light emitted from the color resistance unit 121 can be emitted from the concave portion 1321 to achieve a normal display mode.

[0074] It should be noted that the recessed portion 1321 may also be provided with the adjustment layer 134 , which is made of electrochromic material and can determine whether it is a light-transmitting layer or a reflective layer according to the state of the dimming electrode 131 , thereby determining whether the display panel 10 is in normal display mode or mirror mode.

[0075] In the embodiment of the present application, the adjustment layer 134 is only provided on the protrusion 1320. The dimming element 132 includes an electroconstrictive material, that is, it can be deformed under the action of an external electric field. The dimming element 132 is etched on its surface to form the above-mentioned protrusion 1320 and the recessed portion 1321. The dimming element 132 can be stretched or contracted under the action of the dimming electrode 131.

[0076] For example, the first state is the power-off state, and the second state is the power-on state. When the dimming electrode 131 is switched from the first state to the second state, that is, from the power-off state to the power-on state, the transparent electrode block 1310 inputs current to the first electrode block 1311, and the current flows through the first electrode block 1311, the dimming element 132, the second electrode block 1312, and the transparent electrode block 1310 in sequence. The first electrode block 1311 is the positive electrode, and the second electrode block 1312 is the negative electrode. See Figure 3 and Figure 4As shown, a driving electric field is formed in the dimming cavity 133, and the electric field direction of the driving electric field is directed from the first electrode block 1311 to the second electrode block 1312. The protrusions 1320 are moved closer to each other under the action of the driving electric field, and the adjustment layer 134 is a reflective layer. The adjustment layers 134 on the protrusions 1320 are connected to form a reflective surface, which can reflect external light, and the external light is reflected back to the user's line of sight, achieving a mirror effect, thereby making the display panel 10 in a mirror mode.

[0077] It can be understood that when the dimming element 132 is connected between the first electrode block 1311 and the second electrode block 1312, the two ends of the dimming element 132 are polarized, so that the end of the dimming element 132 close to the first electrode block 1311 is the positive pole, and the end close to the second electrode block 1312 is the negative pole. Due to the mutual attraction between the positive and negative poles, the dimming element 132 shrinks toward the center.

[0078] That is to say, when the dimming electrode 131 is not powered, the protrusions 1320 and the recesses 1321 of the dimming element 132 are arranged in sequence. When the dimming electrode 131 is powered, the adjacent protrusions 1320 of the dimming element 132 are close to each other, and the adjustment layers 134 on the protrusions 1320 are connected to form a reflective surface, reflecting external light to achieve a mirror mode.

[0079] It is worth mentioning that the dimming electrode 131 can be disposed on the outer side of the dimming element 132 by coating, and the first electrode block 1311 and the second electrode block 1312 can move along with the movement of the dimming element 132 .

[0080] In addition, the sum of the thicknesses of the light modulator 132 and the adjustment layer 134 is equal to the depth of the light modulating cavity 133 , so that the states of the light modulator 132 and the adjustment layer 134 can be better controlled.

[0081] In order to protect the dimming layer 130, see Figure 1 As shown, the first substrate 100 also includes a light-transmitting packaging layer 140 made of a light-transmitting packaging material. The light-transmitting packaging layer 140 is arranged on the side of the base substrate 110 away from the color resist layer 120. The light-transmitting packaging layer 140 has a packaging cavity 141 with an opening toward the base substrate 110. The dimming layer 130 is arranged in the packaging cavity 141, that is, the light-transmitting packaging layer 140 covers the dimming layer 130.

[0082] The light-transmitting packaging layer 140 is connected to the back surface of the base substrate 110 , that is, the depth of the packaging cavity 141 is greater than or equal to the thickness of the dimming layer 130 .

[0083] There is a gap between the dimming layer 130 and the inner bottom wall of the packaging cavity 141 to prevent the protrusion 1320 from increasing in height too much when they are close to each other, and exert a force on the transparent packaging layer 140 in the direction from the color resist layer 120 to the base substrate 110, so that the transparent packaging layer 140 protrudes, thereby ensuring the protection effect of the dimming layer 130.

[0084] Embodiment 2

[0085] See also Figure 3 and Figure 4 As shown, the second embodiment of the present application provides a display panel 10, which includes a second substrate 200, a liquid crystal layer 300, and the first substrate 100 described in any one of the first embodiments. The second substrate 200 is an array substrate, on which scan lines, gates, data lines, thin film transistors, pixel electrodes 210, etc. may be provided.

[0086] The display panel 10 is in a normal display mode when the dimming element 132 is in a released state, and the display panel 10 is in a mirror mode when the dimming element 132 is in a retracted state.

[0087] The liquid crystal layer 300 includes a plurality of liquid crystal molecules 310, and the liquid crystal molecules 310 can be deflected under the drive of the second substrate 200 and the first substrate 100. In order to drive the liquid crystal molecules 310 to deflect, a common electrode 150 is provided on the first substrate 100, and a pixel electrode 210 is provided on the second substrate 200. The deflection angle of the liquid crystal molecules 310 is controlled by controlling the voltage on the common electrode 150 and the driving electrode.

[0088] The display panel 10 further includes a frame glue 400 and a silver glue 500, both of which are disposed between the first substrate 100 and the second substrate 200. The frame glue 400 can support the first substrate 100 and the second substrate 200, and the liquid crystal molecules 310 are disposed in the frame glue 400. The silver glue 500 can play a role in fixation, conductivity and electrical conduction.

[0089] Embodiment 3

[0090] See also Figure 5 and Figure 6 As shown, the second embodiment of the present application provides a display device 1, which includes a backlight module 20 and a display panel 10 described in the above second embodiment. The display panel 10 is arranged on the light emitting side of the backlight module 20 and can release light to the display panel 10.

[0091] In addition, the display device 1 further includes an upper polarizer 30 and a lower polarizer 40. The upper polarizer 30 is disposed on a side of the dimming layer 130 away from the base substrate 110, that is, the dimming layer 130 is disposed between the base substrate 110 and the upper polarizer 30. The lower polarizer 40 is disposed on a side of the second substrate 200 away from the liquid crystal layer 300.

[0092] According to the embodiments of the present application, the specific type of the display device 1 is not particularly limited, and any type of display device 1 commonly used in the art can be used, such as liquid crystal display screens, mobile phones, laptop computers and other mobile devices, watches and other wearable devices, VR devices, etc. Those skilled in the art can make corresponding choices based on the specific purpose of the display device, which will not be repeated here.

[0093] In the description of this specification, the description with reference to the terms "some embodiments", "exemplarily", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0094] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application. Therefore, any changes or modifications made in accordance with the claims and description of the present application should fall within the scope of the patent of this application.

Claims

1. A first substrate, comprising a base substrate and a color resist layer disposed on the base substrate, wherein the color resist layer comprises a plurality of color resist units of different colors, and adjacent color resist units are disposed at intervals from each other; characterized in that: The first substrate further comprises: A dimming layer, the dimming layer is arranged on one side of the color resist layer, the dimming layer comprises a dimming electrode and a dimming element, the dimming element is electrically connected to the dimming electrode and forms a closed loop with the dimming electrode, the dimming electrode has a first state and a second state, one of the first state and the second state is a power-on state, and the other is a power-off state; the dimming element is provided with an adjustment layer on a side away from the base substrate; Wherein, the dimming element is an electrocontractive material, and the adjustment layer is an electrochromic material. When the dimming electrode is in a first state, the dimming element is in a released state under the action of the dimming electrode, and the adjustment layer is a light-transmitting layer under the action of the dimming electrode, and the side of the dimming element away from the base substrate is a light-transmitting surface; when the dimming electrode is in a second state, the dimming element is in a contracted state under the action of the dimming electrode, and the adjustment layer is a reflective surface under the action of the dimming electrode, and the side of the dimming element away from the base substrate is a reflective surface.

2. The first substrate according to claim 1, characterized in that: The dimming layer is arranged on a side of the color resist layer away from the base substrate, and the dimming electrode comprises a light-transmitting electrode block, a first electrode block and a second electrode block; The first electrode block and the second electrode block are respectively arranged at opposite ends of the transparent electrode block, the first electrode block and the second electrode block are extended in the direction from the color resist layer to the base substrate, the first electrode block, the transparent electrode block and the second electrode block form a dimming cavity for accommodating the dimming element, and the inner wall of the dimming cavity is connected to the dimming element; The first electrode block, the dimming element, the second electrode block and the light-transmitting electrode block form the closed loop.

3. The first substrate according to claim 2, characterized in that: The dimming element is in a light-transmitting state, and includes a protruding portion and a recessed portion arranged in sequence, wherein the orthographic projection of the recessed portion on the base substrate covers the orthographic projection of the color resist unit on the base substrate; the adjustment layer is provided on a side of the protruding portion away from the base substrate, wherein the orthographic projection of the adjustment layer on the base substrate has no overlap with the orthographic projection of the color resist unit on the base substrate, and the adjustment layer is a light-transmitting layer when the dimming element is in the released state.

4. The first substrate according to claim 3, characterized in that: The dimming element comprises a plurality of the protruding portions and a plurality of the recessed portions; When the dimming element is in the contracted state, the adjustment layer becomes a reflective layer under the action of the dimming electrode, and the adjustment layer on the protruding portion is connected to form a plane, which is the reflective surface.

5. The first substrate according to claim 4, characterized in that: When the dimming electrode is converted from the first state to the second state, the first electrode block is positive and the second electrode block is negative; A driving electric field is formed between the first electrode block and the second electrode block, and the protrusions are moved closer to each other under the action of the driving electric field, and the adjustment layers of the protrusions are connected to form the reflection surface.

6. The first substrate according to any one of claims 2 to 5, characterized in that: The first substrate further includes a light-transmitting encapsulation layer, which is disposed on a side of the base substrate away from the color-resistance layer. The light-transmitting encapsulation layer has an encapsulation cavity, and the dimming layer is disposed in the encapsulation cavity.

7. The first substrate according to claim 6, characterized in that: A gap is formed between the dimming layer and the inner bottom wall of the packaging cavity.

8. The first substrate according to claim 5, characterized in that: The light modulating element includes an electroconstrictive material.

9. A display panel, characterized in that: The display panel comprises: a second substrate; a liquid crystal layer, the liquid crystal layer comprising a plurality of liquid crystal molecules; and The first substrate according to any one of claims 1 to 8, wherein the liquid crystal layer is provided between the first substrate and the second substrate; The display panel is in a normal display mode when the dimming element is in a released state and the adjustment layer is in a transparent layer; the display panel is in a mirror mode when the dimming element is in a contracted state and the adjustment layer is in a reflective layer.

10. A display device, characterized in that: The display device comprises: Backlight module; and The display panel according to claim 9, wherein the display panel is arranged on the light emitting side of the backlight module, and the second substrate is arranged on a side of the first substrate close to the backlight module.

Images