Novel display panel

Abstract

The utility model discloses a novel display panel, which comprises a dimming box and a display box, the dimming box comprises a plurality of groups of electrochromic layers, each group of electrochromic layer comprises an off-color material layer, electrolyte and an ion storage layer, and the plurality of groups of electrochromic layers are separated by frame glue retaining walls in the dimming box; the display box comprises a display box upper substrate, a display box lower substrate, a display box CF color filter layer and a display box liquid crystal layer. The display box CF color filter layer and the display box liquid crystal layer are arranged between the display box upper substrate and the display box lower substrate. According to the display device, the visual angle modes can be automatically or manually switched according to user requirements or environment changes, the privacy and adaptability of the display content are enhanced, the light transmittance of the electrochromic layer of each pixel unit is controlled by arranging the electrochromic dimming box and adopting the positive electrode and the negative electrode, the dimming effect of different area positions is achieved, and the user experience is improved. Therefore, switching of wide and narrow visual angles is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of display panels, and particularly to a novel display panel. Background Art

[0002] A display panel is an output device that converts electrical signals into visible information, and presents contents such as images, texts, and videos in front of users through specific display technologies.

[0003] With the development of information technology, display panels have become an indispensable part of daily life and are widely used in devices such as televisions, mobile phones, and tablet computers. However, existing display panels usually have a fixed viewing angle, that is, the viewing angle is limited. Once deviating from the optimal viewing angle, the picture quality will significantly decline, and this limitation causes inconvenience especially in public places or in terms of personal privacy protection. Therefore, it is particularly important to develop a display panel with a switchable viewing angle. Summary of the Utility Model

[0004] The utility model aims to provide a technical solution to solve the above problems in order to overcome the above situations.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A novel display panel includes a dimming box and a display box. The dimming box includes multiple groups of electrochromic layers. Each group of electrochromic layers includes a color-changing material layer, an electrolyte, and an ion storage layer. The multiple groups of electrochromic layers are separated by internal frame glue retaining walls in the dimming box. A dimming box upper substrate and a dimming box lower substrate are respectively arranged at the top and bottom of the electrochromic layer. The display box includes a display box upper substrate, a display box lower substrate, a display box CF color filter layer, and a display box liquid crystal layer. The display box CF color filter layer and the display box liquid crystal layer are arranged between the display box upper substrate and the display box lower substrate. The display box CF color filter layer includes three color filter layers, and a display box liquid crystal layer is arranged at the bottom of each color filter layer. The adjacent display box liquid crystal layers are separated by display box frame glue retaining walls.

[0006] As a further solution of the utility model: A dimming box negative polarity electrode strip is arranged at the top of each group of electrochromic layers, and a dimming box positive polarity electrode strip is arranged at the bottom of each group of electrochromic layers.

[0007] As a further solution of the utility model: The electrolyte is arranged between the color-changing material layer and the ion storage layer. The color-changing material layer is installed at the bottom of the dimming box negative polarity electrode strip, and the ion storage layer is installed at the top of the dimming box positive polarity electrode strip.

[0008] As a further solution of the utility model: The color-changing material layer can be made of an electro-polymerizable material, an inorganic color-changing material, or a polymer color-changing material.

[0009] As a further solution of the present utility model: a polarizer is mounted on the top of the upper substrate of the display box, the display box is attached to the lower substrate of the dimming box at the bottom through an OCA optical adhesive provided on the top of the polarizer on the upper part of the display box, a polarizer is mounted on the bottom of the lower substrate of the display box, and a backlight is mounted on the top of the polarizer on the lower part of the display box.

[0010] As a further solution of the present utility model: the transmission axes of the polarizer on the upper substrate of the display box and the polarizer on the lower substrate of the display box are perpendicular to each other.

[0011] As a further solution of the present utility model: the three color filter layers are sub-pixels of three colors, namely red (R), green (G), and blue (B), respectively corresponding to form sub-pixel units of red, green, and blue colors, and adjacent sub-pixel units are separated by a black matrix BM of the display box.

[0012] As a further solution of the present utility model: a plurality of gate scan lines and a plurality of source data lines are provided on one side of the front of the lower substrate of the display box to control the switching and display of a plurality of sub-pixels, and a thin film transistor TFT corresponding to the sub-pixel is provided in each sub-pixel unit.

[0013] As a further solution of the present utility model: the upper substrate of the dimming box, the lower substrate of the dimming box, the upper substrate of the display box, and the lower substrate of the display box are all made of glass materials, and the electrodes and connection traces are made of indium tin oxide materials.

[0014] As a further solution of the present utility model: it further includes a control module, a detection module, and a key input interface;

[0015] Both the dimming box and the display box are controlled by the driving IC of the control module;

[0016] The detection module includes a camera and a control unit, etc., and is used to identify the position and line-of-sight direction of the user;

[0017] The key input interface is used to manually send instructions to an external device.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0019] The novel display panel provided by the present application can automatically or manually switch the viewing angle mode according to user needs or environmental changes, enhancing the privacy and adaptability of the displayed content. Whether in public places or for personal use, it can better meet the visual needs of users. By setting an electrochromic dimming box and using a positive electrode and a negative electrode to control the light transmittance of the electrochromic layer of each pixel unit, different regional dimming effects are achieved, thereby realizing the switching of narrow and wide viewing angles. Brief Description of the Drawings

[0020] Figure 1 It is a schematic side sectional view of the display panel of the present utility model.

[0021] The reference numerals and names in the figure are as follows:

[0022] 1. Upper substrate of the dimming box; 2. Inner frame glue retaining wall of the dimming box; 3. Lower substrate of the dimming box; 4. Negative electrode strip of the dimming box; 5. Positive electrode strip of the dimming box; 6. Color-changing material layer; 7. Electrolyte; 8. Ion storage layer; 9. Upper substrate of the display box; 10. Lower substrate of the display box; 11. BM black matrix of the display box; 12. Frame glue retaining wall of the display box; 13. Upper polarizer of the display box; 14. Lower polarizer of the display box; 15. Backlight; 16. CF color filter layer of the display box; 17. Liquid crystal layer of the display box; 18. OCA optical glue. Detailed Description of the Preferred Embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figure 1 , a novel display panel, including a dimming box and a display box. The dimming box is used to adjust the light transmittance, and the display box is used to control the display of the picture. The dimming box includes multiple groups of electrochromic layers. Each group of electrochromic layers includes a color-changing material layer 6, an electrolyte 7, and an ion storage layer 8. The multiple groups of electrochromic layers are separated by the inner frame glue retaining wall 2 of the dimming box. The top and bottom of the electrochromic layer are respectively provided with an upper substrate 1 of the dimming box and a lower substrate 3 of the dimming box. The display box includes an upper substrate 9 of the display box, a lower substrate 10 of the display box, a CF color filter layer 16 of the display box, and a liquid crystal layer 17 of the display box. The CF color filter layer 16 of the display box and the liquid crystal layer 17 of the display box are arranged between the upper substrate 9 of the display box and the lower substrate 10 of the display box. The CF color filter layer 16 of the display box includes three color filter layers, and the bottom of each color filter layer is provided with a liquid crystal layer 17 of the display box. The adjacent liquid crystal layers 17 of the display box are separated by the frame glue retaining wall 12 of the display box.

[0025] Please refer to Figure 1 , in this embodiment, a negative electrode strip 4 of the dimming box is provided at the top of each group of electrochromic layers, and a positive electrode strip 5 of the dimming box is provided at the bottom of each group of electrochromic layers. The multiple electrode strips are independent of each other.

[0026] Specifically, an electrochromic layer is provided between the upper substrate 1 and the lower substrate 3 of the dimming box, and the light transmittance of the electrochromic layer can be controlled by the electrodes on the substrates.

[0027] Please refer to Figure 1 , in this embodiment, the electrolyte 7 is disposed between the color-changing material layer 6 and the ion storage layer 8. The color-changing material layer 6 is mounted at the bottom of the negative-polarity electrode strip 4 of the dimming box, and the ion storage layer 8 is mounted on top of the positive-polarity electrode strip 5 of the dimming box; the color-changing material layer 6 can be made of an electro-polymeric material, an inorganic color-changing material, or a polymeric color-changing material.

[0028] Specifically, the color-changing material layer 6 can be made of an electro-polymeric material, an inorganic color-changing material, or a polymeric color-changing material, etc. After being powered on, the color can be adjusted from transparent to gray by adjusting the voltage magnitude, and the transmittance of the electrochromic layer can be changed by adjusting the shade of gray, thereby adjusting the brightness of the display pixels in different regions of the display panel. In the wide viewing angle mode, the light transmittance of the dimming box gradually increases from the middle to the edge; in the narrow viewing angle mode, the light transmittance of the dimming box gradually decreases from the middle to the edge, showing a light-gathering state.

[0029] Please refer to Figure 1 , in this embodiment, a display box upper polarizer 13 is mounted on the top of the display box upper substrate 9. The display box is bonded to the lower substrate 3 of the dimming box through the OCA optical adhesive 18 provided on the top of the display box upper polarizer 13. A display box lower polarizer 14 is mounted on the bottom of the display box lower substrate 10, and a backlight 15 is mounted on the top of the display box lower polarizer 14; the transmission axes of the display box upper polarizer 13 on the display box upper substrate 9 and the display box lower polarizer 14 on the display box lower substrate 10 are perpendicular to each other.

[0030] Specifically, negative liquid crystal molecules are used in the liquid crystal layer 17 of the display box, that is, liquid crystal molecules with negative dielectric anisotropy. In the initial state, the negative liquid crystal molecules in the liquid crystal layer are aligned perpendicular to the display box upper substrate 9 and the display box lower substrate 10, and the backlight 15 is used to provide backlight for the display panel.

[0031] Please refer to Figure 1 , in this embodiment, the three color filter layers are sub-pixels of three colors, namely red (R), green (G), and blue (B), respectively corresponding to form sub-pixel units of red, green, and blue colors, and adjacent sub-pixel units are separated by the display box BM black matrix 11; multiple gate scan lines and multiple source data lines are provided on one side of the front surface of the display box lower substrate 10 to control the switching and display of multiple sub-pixels, and a thin film transistor TFT corresponding to the sub-pixel is provided in each sub-pixel unit.

[0032] Please refer to Figure 1, in this embodiment, the upper substrate 1 of the dimming box, the lower substrate 3 of the dimming box, the upper substrate 9 of the display box, and the lower substrate 10 of the display box are all made of glass materials, and the electrodes and connection traces are made of indium tin oxide materials.

[0033] In this embodiment, it further includes a control module, a detection module, and a key input interface;

[0034] Both the dimming box and the display box are controlled by the driving IC of the control module;

[0035] The detection module includes a camera and a control unit, etc., for identifying the position and line-of-sight direction of the user;

[0036] The key input interface is used to manually send instructions from an external device.

[0037] Specifically, the display panel includes a plurality of pixel units, each pixel unit contains three sub-pixel units, and each sub-pixel unit includes a liquid crystal layer and a dimming unit;

[0038] A control device is provided to adjust the light transmittance of the dimming box through the driving IC to change the brightness of the pixels in the display box;

[0039] By changing the light transmittance of the dimming box, different viewing angle modes are realized, including but not limited to: wide viewing angle mode, narrow viewing angle mode, private mode, etc.;

[0040] A detection module is provided, including a camera and a control unit, etc., for identifying the position and line-of-sight direction of the user, and cooperating with the control device. When the detection module identifies the specific position and line-of-sight direction of the user, the control device automatically switches to the appropriate viewing angle mode according to the preset program;

[0041] A key input interface is provided to allow the user to manually select or set the required viewing angle mode by sending instructions through the input interface.

[0042] In summary, this solution relates to a display panel with switchable viewing angles. By adjusting the light transmittance of the dimming box, the viewing angle is changed, so as to realize the switching of multiple viewing angle modes such as wide viewing angle, narrow viewing angle, and private mode. The display panel can also automatically adjust the viewing angle mode according to the user's position and line-of-sight direction, or can be set manually by the user, improving the privacy of the displayed content and the personalization of the viewing experience.

[0043] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A new display panel, characterized in that: Including dimming box and display box, The dimming box comprises a plurality of groups of electrochromic layers, each group of the electrochromic layers comprises a color-changing material layer (6), an electrolyte (7) and an ion storage layer (8), the plurality of groups of electrochromic layers are separated by a frame glue retaining wall (2) inside the dimming box, and a dimming box upper substrate (1) and a dimming box lower substrate (3) are respectively arranged on the top and bottom of the electrochromic layers; The display box comprises a display box upper substrate (9), a display box lower substrate (10), a display box CF color filter layer (16) and a display box liquid crystal layer (17); the display box CF color filter layer (16) and the display box liquid crystal layer (17) are arranged between the display box upper substrate (9) and the display box lower substrate (10); the display box CF color filter layer (16) comprises three color filter layers, a display box liquid crystal layer (17) is arranged at the bottom of each color filter layer, and adjacent display box liquid crystal layers (17) are separated by a display box frame glue retaining wall (12).

2. A new display panel according to claim 1, characterized in that: A dimming box negative polarity electrode strip (4) is arranged on the top of each group of electrochromic layers, and a dimming box positive polarity electrode strip (5) is arranged on the bottom of each group of electrochromic layers.

3. A new display panel according to claim 1, characterized in that: The electrolyte (7) is arranged between the color-changing material layer (6) and the ion storage layer (8), the color-changing material layer (6) is installed at the bottom of the negative polarity electrode strip (4) of the dimming box, and the ion storage layer (8) is installed at the top of the positive polarity electrode strip (5) of the dimming box.

4. A new type of display panel according to claim 3, characterized in that: The color-changing material layer (6) can be made of electropolymerization material, inorganic color-changing material or polymer color-changing material.

5. The new display panel according to claim 1, characterized in that: A display box upper polarizer (13) is installed on the top of the display box upper substrate (9); the display box is bonded to a dimming box lower substrate (3) at the bottom of a dimming box via an OCA optical adhesive (18) arranged on the top of the display box upper polarizer (13); a display box lower polarizer (14) is installed on the bottom of the display box lower substrate (10); and a backlight source (15) is installed on the top of the display box lower polarizer (14).

6. A new type of display panel according to claim 5, characterized in that: The light transmission axes of the display box upper polarizer (13) on the display box upper substrate (9) and the display box lower polarizer (14) on the display box lower substrate (10) are perpendicular to each other.

7. The new display panel according to claim 1, characterized in that: The three color filter layers are red (R), green (G), and blue (B) sub-pixels, which correspond to red, green, and blue sub-pixel units, respectively, and adjacent sub-pixel units are separated by a display box BM black matrix (11).

8. The new display panel according to claim 7, characterized in that: A plurality of gate scanning lines and a plurality of source data lines are arranged on the front side of the lower substrate (10) of the display box to control the switching and display of a plurality of sub-pixels, and a thin film transistor TFT corresponding to the sub-pixel is arranged in each sub-pixel unit.

9. The new display panel according to claim 1, characterized in that: The dimming box upper substrate (1), the dimming box lower substrate (3), the display box upper substrate (9) and the display box lower substrate (10) are all made of glass material, and the electrodes and connecting wires are made of indium tin oxide material.

10. The new display panel according to claim 1, characterized in that: It also includes a control module, a detection module and a key input interface; The dimming box and the display box are both controlled by the driver IC of the control module; The detection module includes a camera and a control unit, which are used to identify the user's position and line of sight direction; The key input interface is used for manually sending instructions to an external device.

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