Flexible liquid crystal panel

Abstract

The utility model provides a flexible liquid crystal panel which comprises a body and a switching unit, the body comprises a lower optical substrate, a driving substrate, a liquid crystal layer and an upper optical substrate, the driving substrate is arranged on the lower optical substrate, the liquid crystal layer is arranged on the driving substrate, and the switching unit is arranged on the liquid crystal layer. The liquid crystal layer is provided with a plurality of horizontal deflection type liquid crystal molecules, and the upper optical substrate is arranged on the liquid crystal layer; and the switching unit is arranged on the lower optical substrate and is electrically connected with the driving substrate. When the body is in a flat shape, ambient light is used as a light source, and the switching unit switches the driving substrate to be in a flat driving mode so as to achieve a transparent display function. When the body is in a reel shape, the switching unit switches the driving substrate to be in a reel-shaped driving mode so as to achieve the function of a lens.

Description

Technical Field

[0001] The utility model relates to a liquid crystal panel, in particular to a flexible liquid crystal panel. Background Art

[0002] like Figure 7 As shown, the conventional liquid crystal lens 200 comprises a lower transparent substrate 210, a lower transparent electrode 220, a liquid crystal layer 230, an upper transparent electrode 240 and an upper transparent substrate 250, wherein the lower transparent electrode 220 is disposed on the lower transparent substrate 210, the liquid crystal layer 230 is disposed on the lower transparent electrode 220, the upper transparent electrode 240 is disposed on the liquid crystal layer 230, and the upper transparent substrate 250 is disposed on the upper transparent electrode 240. The conventional liquid crystal lens 200 controls the liquid crystal molecules 231 in the liquid crystal layer 230 to be vertically deflected and arranged progressively by an electric field formed between the lower transparent electrode 220 and the upper transparent electrode 240, so that the liquid crystal layer 230 has a gradient refractive index, and when light passes downward through the conventional liquid crystal lens 200, the focusing or diverging effect can be achieved.

[0003] However, in the prior art, the conventional liquid crystal lens 200 can only realize the function of a lens, but cannot be used as a display panel; and the cell gap of the liquid crystal layer 230 of the conventional liquid crystal lens 200 is usually between several microns and tens of microns, and the corresponding focal length is about several meters or more. If the focal length of the conventional liquid crystal lens 200 is to be reduced, the cell gap of the liquid crystal layer 230 needs to be increased to increase the distance that the light passes through the liquid crystal, or the radius of the conventional liquid crystal lens 200 needs to be reduced. However, this will increase the difficulty of the process, and if the cell gap of the liquid crystal layer 230 is increased, the reaction speed of the liquid crystal molecules 231 in the liquid crystal layer 230 will be slowed down, thereby affecting the speed of adjusting the focal length.

[0004] Therefore, it is necessary to propose a better solution to solve the above-mentioned deficiencies in the prior art. Utility Model Content

[0005] In view of the above-mentioned deficiencies in the prior art, the main purpose of the present invention is to provide a flexible liquid crystal panel, which improves the structure of the liquid crystal panel to achieve the function of transparent display and enhance the focusing or diverging effect.

[0006] In order to solve the deficiencies of the above-mentioned prior art, a technical solution adopted by the utility model is to make the aforementioned flexible liquid crystal panel include a main body and a switching unit, wherein the main body includes a lower optical substrate, a driving substrate, a liquid crystal layer and an upper optical substrate, wherein the driving substrate is arranged on the lower optical substrate, the liquid crystal layer is arranged on the driving substrate, and the liquid crystal layer has a plurality of horizontal deflection type liquid crystal molecules, and the upper optical substrate is arranged on the liquid crystal layer, wherein the main body is flat or scroll-shaped; the switching unit is arranged on the lower optical substrate of the main body and is electrically connected to the driving substrate, and the switching unit is used to switch the driving substrate to a flat driving mode or a scroll-shaped driving mode.

[0007] Preferably, the body further comprises:

[0008] A filter layer is arranged between the liquid crystal layer and the upper optical substrate.

[0009] Preferably, the driving substrate further comprises:

[0010] an active element disposed on the lower optical substrate;

[0011] a common electrode disposed on the lower optical substrate;

[0012] an insulating layer covering the lower optical substrate, the active element and the common electrode;

[0013] A pixel electrode is disposed on the insulating layer and electrically connected to the active element.

[0014] Preferably, the switching unit is disposed on the lower optical substrate and is adjacent to the driving substrate, and the switching unit is electrically connected to the active element and the common electrode of the driving substrate.

[0015] Preferably, when the driving substrate is in a flat driving mode, the main body is in a display mode.

[0016] Preferably, when the driving substrate is in a reel-shaped driving mode, the main body is in a lens mode.

[0017] Preferably, when the body is in the scroll shape, the deflection angles of the plurality of horizontal deflection type liquid crystal molecules in the liquid crystal layer change gradually.

[0018] Preferably, when the body is in the scroll shape, the liquid crystal layer further has a first section and a second section, and the deflection angles of the plurality of horizontal deflection type liquid crystal molecules within the first section and within the second section respectively change gradually.

[0019] Preferably, the first section is closer to the axis center of the body than the second section.

[0020] Preferably, the first section and the second section are respectively close to two sides of the body.

[0021] The utility model adopts the above structure, when the main body is in the flat shape, the ambient light is used as the light source, and the horizontal deflection type liquid crystal molecules in the liquid crystal layer are controlled by the driving substrate to deflect, so as to achieve different light transmission effects and achieve the purpose of transparent display function; when the main body is in the scroll shape, the horizontal deflection type liquid crystal molecules in the liquid crystal layer are controlled by the driving substrate to deflect, so as to achieve the function of the lens, and the light will pass through the width of the main body to increase the distance that the light passes through the liquid crystal, so there is no need to increase the thickness of the liquid crystal box of the liquid crystal layer, so as to achieve the purpose of improving the focusing or diverging effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of an embodiment of a flexible liquid crystal panel of the utility model;

[0023] Figure 2 A three-dimensional diagram of an embodiment of the flexible liquid crystal panel of the utility model;

[0024] Figure 3 Another stereoscopic view of an embodiment of the flexible liquid crystal panel of the utility model;

[0025] Figure 4 is another schematic diagram of an embodiment of the flexible liquid crystal panel of the utility model;

[0026] Figure 5 For the embodiment of the utility model Figure 4 A cross-sectional view along the line segment A-A';

[0027] Figure 6 is another schematic diagram of an embodiment of the flexible liquid crystal panel of the utility model;

[0028] Figure 7 A schematic diagram of a traditional liquid crystal lens. DETAILED DESCRIPTION

[0029] For the embodiments of the flexible liquid crystal panel of the present invention, please refer to Figures 1 to 3As shown, it includes a main body 1 and a switching unit 2, the main body 1 includes a lower optical substrate 11, a driving substrate 12, a liquid crystal layer 13 and an upper optical substrate 14, the lower optical substrate 11 is rectangular, and has a first side 111 and a second side 112 that are parallel to each other, the driving substrate 12 is arranged on the lower optical substrate 11, the liquid crystal layer 13 is arranged on the driving substrate 12, the liquid crystal layer 13 has a plurality of horizontal deflection type liquid crystal molecules 131, the upper optical substrate 14 is arranged on the liquid crystal layer 13, wherein the main body 1 is flat or scroll-shaped; the switching unit 2 is arranged on the lower optical substrate 11 of the main body 1, and is electrically connected to the driving substrate 12, and the switching unit 2 is used to switch the driving substrate 12 to a flat driving mode or a scroll-shaped driving mode.

[0030] It should be particularly noted that the liquid crystal driving mode used in the liquid crystal layer 13 of the utility model can be a fringe field switching (Fringe Field Switching, FFS) mode or a plane switching (In-Plane-Switching, IPS) mode. In this embodiment, the majority of horizontal deflection type liquid crystal molecules 131 of the liquid crystal layer 13 are in a horizontal arrangement state parallel to the lower optical substrate 11 and the upper optical substrate 14, and when the driving substrate 12 produces an electric field change, the majority of horizontal deflection type liquid crystal molecules 131 will be deflected according to the electric field of the driving substrate 12, and the deflection direction of the majority of horizontal deflection type liquid crystal molecules 131 is parallel to the lower optical substrate 11 and the upper optical substrate 14.

[0031] Through the above-mentioned structure, when the main body 1 is in the flat shape, ambient light is used as the light source, and the horizontal deflection type liquid crystal molecules 131 in the liquid crystal layer 13 are controlled by the driving substrate 12 to deflect, so as to achieve different light transmission effects and achieve the function of transparent display; when the main body 1 is in the scroll shape, the horizontal deflection type liquid crystal molecules 131 in the liquid crystal layer 13 are controlled by the driving substrate 12 to deflect, so as to achieve the function of a lens, and the light will pass through the width of the main body 1 to increase the distance that the light travels through the liquid crystal, so there is no need to increase the cell gap of the liquid crystal layer 13, thereby improving the focusing or diverging effect.

[0032] For example, the lower optical substrate 11 may include a lower polarizer and a lower substrate, the lower substrate is arranged on the lower polarizer, and the driving substrate 12 is arranged on the lower substrate; the upper optical substrate 14 may include an upper polarizer and an upper substrate, the upper substrate is arranged on the liquid crystal layer 13, and the upper polarizer is arranged on the upper substrate.

[0033] like Figure 1 and Figure 2 As shown, in this embodiment, a first direction X and a second direction Y are further provided, the first direction X is perpendicular to the second direction Y, and when the body 1 is in the flat state, the first direction X is parallel to the first side 111 of the lower optical substrate 11, and the second direction Y is parallel to the second side 112 of the lower optical substrate 11.

[0034] In this embodiment, the driving substrate 12 further includes an active component 121, a common electrode 122, an insulating layer 123 and a pixel electrode 124, and the active component 121 is arranged on the lower optical substrate 11; the common electrode 122 is also arranged on the lower optical substrate 11 and is adjacent to the active component 121; the insulating layer 123 covers the lower optical substrate 11, the active component 121 and the common electrode 122, and the insulating layer 123 has an opening; the pixel electrode 124 is arranged on the insulating layer 123 and is electrically connected to the active component 121 through the opening of the insulating layer 123.

[0035] like Figure 2 As shown, in this embodiment, the switching unit 2 is disposed on the lower optical substrate 11 and is adjacent to the driving substrate 12. The switching unit 2 is electrically connected to the active element 121 and the common electrode 122 of the driving substrate 12. In this embodiment, the switching unit 2 may be formed by a flexible printed circuit board.

[0036] In this embodiment, when the body 1 is in the flat state, and the switching unit 2 switches the driving mode of the driving substrate 12 to the flat state, the body 1 is in a display mode, and the active element 121 of the driving substrate 12 controls the electric field change between the pixel electrode 124 and the common electrode 122, and the plurality of horizontal deflection type liquid crystal molecules 131 in the liquid crystal layer 13 are deflected according to the electric field, so that the flexible liquid crystal panel of the utility model can achieve different light transmission effects and achieve the effect of displaying image information. In this embodiment, the active element 121 can be composed of a thin film transistor (TFT).

[0037] like Figure 1 As shown, in this embodiment, the body 1 may further include a filter layer 15, and the filter layer 15 is disposed between the liquid crystal layer 13 and the upper optical substrate 14, so that the flexible liquid crystal panel of the utility model can present color images.

[0038] Please refer to Figure 2 and Figure 3As shown, in this embodiment, when the main body 1 is in the flat shape, it is rolled with the first direction X as the axial direction and the second direction Y as the rolling direction, so that the main body 1 is in the scroll shape.

[0039] Through the above structure, the body 1 is rolled up into the scroll shape, and the horizontal deflection type liquid crystal molecules 131 in the liquid crystal layer 13 are controlled by the driving substrate 12 to deflect, thereby realizing the function of a lens. The light will pass through the width of the body 1 in the first direction X along the first direction X to increase the distance that the light passes through the liquid crystal. Therefore, there is no need to increase the cell gap of the liquid crystal layer 13, thereby improving the focusing or diverging effect.

[0040] See also Figure 4 and Figure 5 As shown, in this embodiment, when the main body 1 is in the scroll shape and the switching unit 2 switches the driving mode of the driving substrate 12 to the scroll shape, the main body 1 is in a lens mode, and the electric field formed by the driving substrate 12 will show a gradual change to control the deflection angle of the majority of horizontal deflection type liquid crystal molecules 131 of the liquid crystal layer 13 to change gradually, so that the liquid crystal layer 13 has a gradient refractive index, so that the flexible liquid crystal panel of the utility model can achieve a lens effect such as a gradient refractive index lens (GRIN lens).

[0041] In this embodiment, the electric field formed by the driving substrate 12 changes gradually, and the deflection angles of the plurality of horizontal deflection type liquid crystal molecules 131 of the liquid crystal layer 13 change gradually with the distance from the axis position P of the body 1 .

[0042] like Figure 4 and Figure 5 As shown, in this embodiment, the farther the axis position P from the body 1 is, the larger the deflection angle of the plurality of horizontal deflection type liquid crystal molecules 131 is, and the closer the axis position P from the body 1 is, the smaller the deflection angle of the plurality of horizontal deflection type liquid crystal molecules 131 is, so that the liquid crystal layer 13 has a gradient refractive index, and when the light passes through the body 1 along the first direction X, a focusing effect can be achieved; or, in this embodiment, the farther the axis position P from the body 1 is, the smaller the deflection angle of the plurality of horizontal deflection type liquid crystal molecules 131 is, and the closer the axis position P from the body 1 is, the larger the deflection angle of the plurality of horizontal deflection type liquid crystal molecules 131 is, and when the light passes through the body 1 along the first direction X, a divergence effect can be achieved.

[0043] See also Figure 6As shown, in this embodiment, when the main body 1 is in the scroll shape, the liquid crystal layer 13 may further have a first segment 13A and a second segment 13B. In this embodiment, the first segment 13A may be closer to the axial position P of the main body 1 than the second segment 13B. The deflection angles of the plurality of horizontal deflection-type liquid crystal molecules 131 within the range of the first segment 13A and the range of the second segment 13B are respectively gradually changed, so that the flexible liquid crystal panel of the utility model can achieve a lens effect such as a Fresnel lens to further enhance the focusing or diverging effect.

[0044] In addition, in this embodiment, the first segment 13A and the second segment 13B of the liquid crystal layer 13 can be respectively close to the opposite sides of the main body 1 in the first direction X. In this embodiment, the deflection angles of the plurality of horizontal deflection-type liquid crystal molecules 131 within the range of the first segment 13A and the range of the second segment 13B are respectively gradually changed, so that the flexible liquid crystal panel of the utility model can realize a combination like a double lens to achieve the lens effect of a telescope.

Claims

1. A flexible liquid crystal panel, characterized in that: The flexible liquid crystal panel includes a body and a switching unit, and the body includes: The optical substrate: a driving substrate, which is disposed on the lower optical substrate; a liquid crystal layer disposed on the driving substrate, wherein the liquid crystal layer has a plurality of horizontal deflection type liquid crystal molecules; an upper optical substrate disposed on the liquid crystal layer; Wherein, the main body is in a flat shape or a scroll shape; The switching unit is arranged on the lower optical substrate of the main body and is electrically connected to the driving substrate. The switching unit is used for switching the driving substrate to a flat driving mode or a scroll-shaped driving mode.

2. The flexible liquid crystal panel according to claim 1, characterized in that: The body further comprises: A filter layer is arranged between the liquid crystal layer and the upper optical substrate.

3. The flexible liquid crystal panel according to claim 1, characterized in that: The driving substrate further comprises: an active element disposed on the lower optical substrate; a common electrode disposed on the lower optical substrate; an insulating layer covering the lower optical substrate, the active element and the common electrode; A pixel electrode is disposed on the insulating layer and electrically connected to the active element.

4. The flexible liquid crystal panel according to claim 3, characterized in that: The switching unit is disposed on the lower optical substrate and is adjacent to the driving substrate. The switching unit is electrically connected to the active element and the common electrode of the driving substrate.

5. The flexible liquid crystal panel according to claim 4, characterized in that: When the driving substrate is in a flat driving mode, the main body is in a display mode.

6. The flexible liquid crystal panel according to claim 4, characterized in that: When the driving substrate is in a reel-shaped driving mode, the main body is in a lens mode.

7. The flexible liquid crystal panel according to claim 6, characterized in that: When the body is in the scroll shape, the deflection angles of the plurality of horizontal deflection type liquid crystal molecules in the liquid crystal layer change gradually.

8. The flexible liquid crystal panel according to claim 6, characterized in that: When the body is in the scroll shape, the liquid crystal layer further has a first section and a second section, and the deflection angles of the plurality of horizontal deflection type liquid crystal molecules within the range of the first section and the range of the second section respectively change gradually.

9. The flexible liquid crystal panel according to claim 8, characterized in that: The first section is closer to the axis center of the body than the second section.

10. The flexible liquid crystal panel according to claim 8, characterized in that: The first section and the second section are respectively close to two sides of the body.

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