CN219417959U - Reflective display device - Google Patents

Abstract

The utility model relates to the technical field of display screens and discloses a reflective display device which comprises a first substrate, a second substrate, a filler layer and a supporting layer, wherein a first electrode and an optical filter are arranged on the first substrate, a second electrode is arranged on one side of the second substrate, the filler layer and the supporting layer are arranged between the first substrate and the second substrate, the supporting layer comprises a first supporting part and a second supporting part which are vertically connected, the first supporting part and the second supporting part respectively consist of a plurality of closed areas, and the first supporting part and the second supporting part which consist of a plurality of first closed areas are arranged in the scheme, so that the first substrate and the second substrate are supported through the first supporting part and the second supporting part which are vertically connected, the whole compressive capacity of the display device is improved, meanwhile, the disordered flow of filler substances can be prevented from interfering with display pictures, the display stability is ensured, and the whole display effect of the display device is improved.

Description

Reflective display device

Technical Field

The utility model relates to the technical field of display screens, in particular to a reflective display device.

Background

The display device can be divided into a reflection type display screen, a total transmission type display screen and a semi-transparent semi-reflection type display screen according to different light sources, wherein the reflection type display screen is a display which takes external light as a light source and does not need a self-contained backlight source, and the display device provides a light source for reading under sunlight and lamplight by reflecting the external light, so that the aim of saving energy is achieved.

The structure of the reflective display mainly comprises an upper substrate and a lower substrate, a flowing medium is added between the upper substrate and the lower substrate, and the flowing medium is driven by two electrodes on the upper substrate and the lower substrate, so that the purpose of display is achieved. The upper and lower substrates of the existing reflective display cannot be fixed effectively, so that the whole compressive capacity of the reflective display is weak, meanwhile, filling substances in the upper and lower substrates generally form disordered large-scale flow, crosstalk is formed between the upper and lower substrates, and finally display picture distortion is caused.

Therefore, a new solution is needed to solve the above technical problems.

Disclosure of Invention

The present utility model is directed to solving at least one of the problems of the background art. Therefore, the utility model provides the reflective display device, which improves the whole compression resistance through the first supporting part and the second supporting part which are separately arranged, and simultaneously limits the flow of filling substances through the sealing area, ensures the display stability and improves the display effect.

According to an embodiment of the first aspect of the present utility model, a reflective display device includes a first substrate, a second substrate, a filler layer, and a support layer, wherein a first electrode and a color filter are disposed on one side of the first substrate; the first substrate and the second substrate are correspondingly arranged, and a second electrode is arranged on one side of the second substrate facing the first substrate; the filler layer is arranged between the first substrate and the second substrate; the supporting layer is arranged in the filler layer, wherein the supporting layer comprises a first supporting part and a second supporting part which are sequentially connected in the vertical direction, the first supporting part is composed of a plurality of first closed areas, the second supporting part is composed of a plurality of second closed areas, the first closed areas correspond to the second closed areas, the first supporting part and the second supporting part which are composed of a plurality of first closed areas are arranged, the first substrate and the second substrate can be supported through the first supporting part and the second supporting part which are connected in the vertical direction, the whole compressive capacity of the display device is improved, meanwhile, the closed areas can avoid the disturbance of unordered flow of filling substances to the formation of a display picture, the stability of display is guaranteed, and the whole display effect of the display device is improved.

According to another embodiment of the present utility model, the first support portion is provided near the first substrate, the second support portion is provided near the second substrate, and the pattern portions of the first sealed area and the second sealed area in the projection direction overlap.

According to another embodiment of the present utility model, the first closed region includes a plurality of first barrier ribs connected end to end, the second closed region includes a plurality of second barrier ribs connected end to end, and a pattern of the first barrier ribs in a projection direction partially coincides with a pattern of the second barrier ribs.

According to another embodiment of the present utility model, the first closed region includes a plurality of first barrier ribs connected end to end, the second closed region includes a plurality of second barrier ribs connected end to end, and a pattern of the second barrier ribs in a projection direction covers a pattern of the first barrier ribs.

According to another embodiment of the present utility model, the first barrier rib includes a first main body portion, and the second barrier rib includes a second main body portion and a second protruding portion, and the patterns of the first main body portion and the second main body portion in the projection direction overlap.

According to another embodiment of the present utility model, the second protrusion is provided at one side or both sides of the second body part, and the contact area of the first support part and the second support part is increased by providing the protrusion.

According to another embodiment of the present utility model, the first barrier rib includes a first main body portion and a first protruding portion, the second barrier rib includes a second main body portion and a second protruding portion, the patterns of the first main body portion and the second main body portion in the projection direction overlap, and the patterns of the first protruding portion and the second protruding portion in the projection direction at least partially overlap.

According to another embodiment of the present utility model, the second electrode includes a plurality of sub-pixel electrodes, and a gap is provided between two adjacent sub-pixel electrodes.

According to another embodiment of the utility model, one end of the first or second sealing region is at least partially arranged in the gap.

According to another embodiment of the utility model, the filler layer comprises at least one of an electronic paste, an electronic ink, conductive particles, microcapsules or liquid crystals.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model discloses a reflective display device, which comprises a first substrate, a second substrate, a filler layer and a supporting layer, wherein a first electrode and a color filter are arranged on one side of the first substrate; the filler layer sets up between first base plate and second base plate, the supporting layer sets up in the filler layer, wherein, the supporting layer includes and connects gradually first supporting part and second supporting part along vertical direction, first supporting part comprises a plurality of first closed district, the second supporting part comprises a plurality of second closed district, and first closed district corresponds the second closed district and constitutes, this scheme is through setting up first supporting part and the second supporting part that comprises a plurality of first closed district, can make first base plate and second base plate support through the first supporting part and the second supporting part that two vertical directions are connected, and then promote the holistic compressive capacity of display device, set up the disorder that the closed district can avoid the filler material simultaneously and flow the interference to the display screen formation, the stability of demonstration has been guaranteed, and then promote the holistic display effect of display device.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The drawings are only for purposes of illustrating embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

FIG. 1 is a schematic cross-sectional view of an embodiment of a reflective display device provided herein;

FIG. 2 is a schematic diagram of an embodiment of a support layer of a reflective display device provided herein;

FIG. 3 is a schematic cross-sectional view of an embodiment of a second support portion of the support layer of FIG. 2;

FIG. 4 is a schematic cross-sectional view of another embodiment of a second support provided herein;

FIG. 5 is a schematic view of another embodiment of a support layer of a reflective display device provided herein;

FIG. 6 is an exploded view of an embodiment of the support layer of FIG. 5;

FIG. 7 is a schematic view of another embodiment of a support layer of a reflective display device provided herein;

FIG. 8 is a schematic view of a further embodiment of a support layer of a reflective display device provided herein;

FIG. 9 is a schematic cross-sectional view of an embodiment of a first support portion of the support layer of FIG. 8;

FIG. 10 is a schematic cross-sectional view of an embodiment of a second support portion of the support layer of FIG. 8;

FIG. 11 is a schematic view of a further embodiment of a support layer of a reflective display device provided herein; the meaning of the labels in the figures is:

10. a reflective display device;

100. a first substrate; 110. a first electrode; 120. a color filter;

200. a filler layer;

300. a support layer; 310. a first support portion; 311. a first sealed region;

3111. a first barrier rib; 31111. a first body portion; 31112. a first projection;

320. a second supporting part; 321. a second sealed region; 3211. a second barrier rib;

32111. a second body portion; 32112. a second projection;

400. a second substrate; 410. a second electrode; 411. a subpixel electrode; 412. a gap.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For the purpose of illustrating the reflective display device provided in the present application, the following description will be made in detail with reference to the drawings and the accompanying description of embodiments.

The reflective display device 10 according to the embodiment of the utility model is described below with reference to fig. 1 to 11, as shown in fig. 1, the reflective display device 10 includes a first substrate 100, a second substrate 400, a filler layer 200 and a supporting layer 300, specifically, one side of the first substrate 100 is provided with a first electrode 110 and a color filter 120, the first substrate 100 and the second substrate 400 are correspondingly disposed, and one side of the second substrate 400 facing the first substrate 100 is provided with a second electrode 410, the filler layer 200 is disposed between the first substrate 100 and the second substrate 400 and includes flowable conductive particles in the filler layer 200, the flowable conductive particles in the filler layer 200 are electrically driven together through the first electrode 110 and the second electrode 410, further, the supporting layer 300 is disposed in the filler layer 200, as shown in fig. 2 to 11, the supporting layer 300 includes a first supporting portion 310 and a second supporting portion 320 sequentially connected in a vertical direction, the first supporting portion 310 is composed of a plurality of first sealing areas 311, the second supporting portion 320 is composed of a plurality of second sealing areas 321, and the first sealing areas 311 and the second sealing areas 321 are correspondingly disposed, the first sealing areas and the second sealing areas are respectively, and the first sealing areas are sequentially connected to each other through the first sealing areas and the second sealing areas 320 are sequentially disposed, and the first sealing areas and the second sealing areas are sequentially connected to each other, thereby the first sealing areas and the second sealing areas are further, the sealing areas are integrally formed, and the sealing areas are capable of sealing and the sealing layers are capable of sealing and further being electrically driven, and preventing the sealing and sealing layers are being formed, and further by sealing and supporting and sealing and supporting layer.

It should be noted that the first support portion 310 and the second support portion 320 may be disposed on the first substrate 100 together, that is, the first electrode 110 and the color filter 120 may be formed on the first substrate 100, and then the first support portion 310 and the second support portion 320 may be connected to the first substrate 100, or the first support portion 310 and the second support portion 320 may be disposed on the second substrate 400 together, that is, the second electrode 410 may be formed on the second substrate 400, and then the first support portion 310 and the second support portion 320 may be connected to the second substrate 400, or the first support portion 310 may be disposed on the first substrate 100, the second support portion 320 may be disposed on the second substrate 400, and then the first support portion 310 and the second support portion 320 on the first substrate 100 and the second substrate 400 may be bonded.

The first sealed region 311 and the second sealed region 321 mean that the liquid in the region cannot flow out of the region laterally, and since the first sealed region 311 and the second sealed region 321 need to be connected in the vertical direction, after the first sealed region 311 and the second sealed region 321 are stacked, the first substrate 100 and the second substrate 400 are sealed at the top and the bottom, and in the region where the first substrate and the second substrate are stacked, the liquid cannot exchange with an external object in the region where the first substrate and the second substrate are stacked.

It should be noted that, as shown in fig. 2, the patterns of the first support portion 310 and the second support portion 320 in the projection direction may be identical, that is, the first support portion 310 and the second support portion 320 may be manufactured together, so that the manufacturing time and cost may be saved.

It should be noted that, as shown in fig. 3, the patterns of the first support portion 310 and the second support portion 320 in the projection direction may be regular patterns, so that the production may be facilitated, and finally the manufacturing time and cost may be saved, as shown in fig. 4, the patterns of the first support portion 310 and the second support portion 320 in the projection direction may also be irregular patterns, so as to increase the contact area of the first support portion 310 and the second support portion 320, and finally increase the connection stability of the first support portion 310 and the second support portion 320.

It should be noted that at least one insulating film layer may be disposed between the first electrode 110 and the second electrode 410, so as to avoid interference of electrical signals caused by direct contact between the first electrode 110 and the second electrode 410.

According to an embodiment of the present utility model, as shown in fig. 2 to 11, the first support part 310 is disposed close to the first substrate 100, the second support part 320 is disposed close to the second substrate 400, i.e., the first support part 310 and the second support part 320 are sequentially connected in a vertical direction, the first support part 310 is disposed above the second support part 320 so as to be close to the first substrate 100, the second support part 320 is disposed below the first support part 310 so as to be close to the second substrate 400, and the graphic portions of the first and second sealing regions 311 and 321 in a projection direction overlap, thereby achieving that the first and second sealing regions 311 and 321 are in contact with each other and achieve connection in a vertical direction.

The patterns of the first sealed region 311 and the second sealed region 321 in the projection direction partially overlap, and the patterns of the first sealed region 311 in the projection direction may all fall into the patterns of the second sealed region 321 in the projection direction, that is, the patterns of the second sealed region 321 in the projection direction are larger than the patterns of the first sealed region 311 in the projection direction, or the patterns of the first sealed region 311 in the projection direction partially fall into the patterns of the second sealed region 321 in the projection direction, and the patterns of the second sealed region 321 in the projection direction partially do not fall into the patterns of the second sealed region 321 in the projection direction, or the patterns of the second sealed region 321 in the projection direction all fall into the patterns of the first sealed region 311 in the projection direction, that is, the patterns of the first sealed region 311 in the projection direction are larger than the patterns of the second sealed region 321 in the projection direction.

It should be noted that, in some other embodiments, the first supporting portion 310 may be disposed near the second substrate 400, the second supporting portion 320 is disposed near the first substrate 100, that is, the second supporting portion 320 and the first supporting portion 310 are sequentially connected in the vertical direction, the second supporting portion 320 is disposed above the first supporting portion 310 and thus near the first substrate 100, and the first supporting portion 310 is disposed below the second supporting portion 320 and thus near the second substrate 400, which can be understood that the positions of the first supporting portion 310 and the second supporting portion 320 may be adjusted according to the actual use scenario.

According to one embodiment of the present utility model, as shown in fig. 7-11, the first sealing area 311 includes a plurality of first barrier ribs 3111 connected end to end, the second sealing area 321 includes a plurality of second barrier ribs 3211 connected end to end, and the pattern of the first barrier ribs 3111 in the projection direction is partially overlapped with the pattern of the second barrier ribs 3211, i.e. the pattern of the first barrier ribs 3111 in the projection direction partially falls into the pattern of the second barrier ribs 3211 in the projection direction, and partially does not fall into the pattern of the second barrier ribs 3211 in the projection direction, or the pattern of the second barrier ribs 3211 in the projection direction fully falls into the pattern of the first barrier ribs 3111 in the projection direction, i.e. the pattern of the first barrier ribs 3111 in the projection direction is larger than the pattern of the second barrier ribs 3211 in the projection direction, it is understood that by making the patterns of the first barrier ribs 3111 and the second barrier ribs 3211 not completely coincide, the contact area of the first barrier ribs 3111 and the second barrier ribs 3211 can be increased, and the first barrier ribs 3211 cannot be bonded with each other with good press fit due to high contact.

It should be noted that, the shapes and sizes of the first barrier ribs 3111 and the second barrier ribs 3211 may be designed according to actual requirements, but for convenience of production and manufacturing, as shown in fig. 9 and 10, the first barrier ribs 3111 and the second barrier ribs 3211 may be preferably elongated and approximately elongated, or may be patterns extending on the basis of the elongated shapes.

According to one embodiment of the present utility model, as shown in fig. 2-6, the first sealing area 311 includes a plurality of first barrier ribs 3111 connected end to end, the second sealing area 321 includes a plurality of second barrier ribs 3211 connected end to end, and the pattern of the second barrier ribs 3211 in the projection direction covers the pattern of the first barrier ribs 3111, that is, the pattern of the first barrier ribs 3111 in the projection direction falls into the pattern of the second barrier ribs 3211 in the projection direction, that is, the pattern of the second barrier ribs 3211 in the projection direction is larger than the pattern of the first barrier ribs 3111 in the projection direction, it is understood that by making the width of the first barrier ribs 3211 disposed below relative to the first barrier ribs 3111 disposed above the second barrier ribs 3211 larger, the contact area of the first barrier ribs 3111 and the second barrier ribs 3211 can be increased, so that the contact area of the first barrier ribs 3111 and the second barrier ribs 3211 in the lamination is higher, that poor connection effect due to dislocation lamination is avoided, and at the same time, the contact area of the second barrier ribs 3211 and the second barrier ribs 321 in the whole area can be further increased.

Note that, since the first barrier ribs 3111 and the second barrier ribs 3211 are manufactured by photolithography, etching, or the like, that is, a mask is provided to block a partial region, and a non-blocked region is irradiated with light or is in contact with an etching solution, the patterns of the first barrier ribs 3111 and the second barrier ribs 3211 are generally three-dimensional patterns having a uniform vertical shape, and therefore, when the second barrier ribs 3211 having a larger projection area with respect to the first barrier ribs 3111 are positioned below, the second barrier ribs 3211 may have a larger contact area with the second substrate 400, thereby increasing the overall stability of the overlapped first and second sealed regions 311 and 321.

According to an embodiment of the present utility model, as shown in fig. 5 and 6, the first barrier rib 3111 includes a first body portion 31111, the second barrier rib 3211 includes a second body portion 32111 and a second protrusion 32112, further, patterns of the first body portion 31111 and the second body portion 32111 in a projection direction overlap such that the first barrier rib 3111 and the second barrier rib 3211 are connected in a vertical direction, it is understood that the second protrusion 32112 functions to increase a contact area of the first body portion 31111 and the second body portion 32111 in the vertical direction, that is, when the first body portion 31111 and the second body portion 32111 are compressed in the vertical direction, if a misalignment occurs, a contact area of the first body portion 31111 and the second body portion 32111 can be increased by the second protrusion 32112, thereby ensuring a stability of the connection of the first barrier rib 3111 and the second barrier rib 3211 in the vertical direction.

According to an embodiment of the present utility model, as shown in fig. 5, 6, and 8-11, the second protrusion 32112 is provided at one side or both sides of the second body portion 32111, that is, the second protrusion 32112 may be provided at one side or both sides of the second body portion 32111, and the contact area of the first support portion 310 and the second support portion 320 is increased by providing the protrusion.

It should be noted that, on the cross-sectional pattern of the second barrier rib 3211, the second body portion 32111 is located at the middle of the pattern, and the second protrusion 32112 is located at the left side or the right side of the second body portion 32111, or the second protrusion 32112 is located at both the left side and the right side of the second body portion 32111, thereby increasing the contact area between the first body portion 31111 and the second body portion 32111 during connection and pressing, and further improving the connection stability of the first barrier rib 3111 and the second barrier rib 3211.

According to an embodiment of the present utility model, as shown in fig. 8 to 11, the first barrier rib 3111 includes a first body portion 31111 and a first protrusion portion 31112, the second barrier rib 3211 includes a second body portion 32111 and a second protrusion portion 32112, patterns of the first body portion 31111 and the second body portion 32111 overlap in a projection direction, patterns of the first protrusion portion 31112 and the second protrusion portion 32112 overlap at least partially in the projection direction, it is understood that the first protrusion portion 31112 and the second protrusion portion 32112 function to increase a contact area of the first body portion 31111 and the second body portion 32111 in a vertical direction, that is, if misalignment occurs, a contact area of the first body portion 31111 and the second body portion 32111 can be increased by the first protrusion portion 31112 and the second protrusion portion 32112, thereby ensuring a stability of connection of the first barrier rib 3111 and the second barrier rib 3211 in the vertical direction.

It should be noted that, on the cross-sectional pattern of the first barrier rib 3111, the first body portion 31111 is located at the middle of the pattern, the first protrusion 31112 is located at the left side or the right side of the first body portion 31111, or the first protrusion 31112 is located at the left side and the right side of the first body portion 31111 at the same time, and on the cross-sectional pattern of the second barrier rib 3211, the second body portion 32111 is located at the middle of the pattern, the second protrusion 32112 is located at the left side or the right side of the second body portion 32111, or the second protrusion 32112 is located at the left side and the right side of the second body portion 32111 at the same time, thereby increasing the contact area of the first barrier rib 3111 and the second barrier rib 3211 at the time of connection bonding, and further improving the connection stability.

It should be noted that, the patterns of the first protruding portion 31112 and the second protruding portion 32112 in the projection direction at least partially overlap, for example, the first protruding portion 31112 and the second protruding portion 32112 may all overlap in the vertical direction, where the first barrier rib 3111 and the second barrier rib 3211 are identical patterns, so that the same production equipment may be used for simultaneous production, or the first protruding portion 31112 and the second protruding portion 32112 may only partially overlap in the vertical direction, where the first protruding portion 31112 and the second protruding portion 32112, which also serve to increase the contact area, do not completely overlap in the vertical direction by means of misalignment or the like, so that the contact area of the first barrier rib 3111 and the second barrier rib 3211 may be increased, and the stability of the connection of the first barrier rib 3111 and the second barrier rib 3211 may be further improved.

According to one embodiment of the present utility model, as shown in fig. 1, the second electrode 410 includes a plurality of sub-pixel electrodes 411, and a gap 412 is formed between two adjacent sub-pixel electrodes 411, and it is understood that the plurality of sub-pixels are the smallest display units and are separated by the gap 412.

According to an embodiment of the present utility model, as shown in fig. 1, one end of the first or second sealing region 311 or 321 is at least partially disposed in the gap 412, that is, one of the first or second sealing regions 311 or 321 near the second substrate 400 may be disposed in the gap 412 between the two sub-pixel electrodes 411.

According to an embodiment of the present utility model, as shown in fig. 1, the filler layer 200 includes at least one of electronic paste, electronic ink, conductive particles, microcapsules, or liquid crystal, that is, any filler material that enables driving through the first electrode 110 and the second electrode 410, and the composition thereof is not particularly limited.

The foregoing description of the preferred embodiments of the reflective display device provided in the present application should not be construed as limiting the scope of the claims, and those skilled in the art should understand that various modifications and substitutions can be made without departing from the spirit of the application, and all the modifications and substitutions should be within the scope of the claims, i.e. the scope of the claims shall be subject to the claims.

The embodiments described above and features of the embodiments herein may be combined with each other without conflict.

Claims (10)

1. A reflective display device is provided, which comprises

A first substrate, one side of which is provided with a first electrode and an optical filter;

the first substrate and the second substrate are correspondingly arranged, and a second electrode is arranged on one side of the second substrate facing the first substrate;

a filler layer disposed between the first substrate and the second substrate;

the support layer is arranged in the filler layer, wherein the support layer comprises a first support part and a second support part which are sequentially connected in the vertical direction, the first support part consists of a plurality of first closed areas, the second support part consists of a plurality of second closed areas, and the first closed areas correspond to the second closed areas.

2. The reflective display apparatus according to claim 1, wherein the first support portion is provided near the first substrate, the second support portion is provided near the second substrate, and the pattern portions of the first sealed region and the second sealed region in the projection direction overlap.

3. The reflective display device of claim 2, wherein the first closed region includes a plurality of first barrier ribs connected end to end, the second closed region includes a plurality of second barrier ribs connected end to end, and a pattern of the first barrier ribs in a projection direction partially coincides with a pattern of the second barrier ribs.

4. The reflective display device of claim 2, wherein the first enclosed region includes a plurality of first barrier ribs connected end to end, the second enclosed region includes a plurality of second barrier ribs connected end to end, and a pattern of the second barrier ribs in a projection direction covers a pattern of the first barrier ribs.

5. The reflective display device of claim 4, wherein the first barrier rib comprises a first body portion and the second barrier rib comprises a second body portion and a second projection, the first body portion and the second body portion being in registration in a projection direction.

6. The reflective display apparatus of claim 5, wherein the second protrusion is disposed at one side or both sides of the second body portion.

7. The reflective display device of claim 4, wherein the first barrier rib comprises a first body portion and a first projection portion, the second barrier rib comprises a second body portion and a second projection portion, the first body portion and the second body portion are in registration in a projection direction, and the first projection portion and the second projection portion are at least partially in registration in the projection direction.

8. The reflective display device of claim 1, wherein said second electrode comprises a plurality of sub-pixel electrodes with a gap between adjacent two of said sub-pixel electrodes.

9. The reflective display device of claim 8, wherein one end of the first enclosed region or the second enclosed region is at least partially disposed in the gap.

10. The reflective display device of claim 1, wherein the filler layer comprises at least one of an electronic paste, an electronic ink, conductive particles, microcapsules, or liquid crystals.