CN211905916U - High-contrast negative liquid crystal screen - Google Patents
High-contrast negative liquid crystal screen Download PDFInfo
- Publication number
- CN211905916U CN211905916U CN202020667319.0U CN202020667319U CN211905916U CN 211905916 U CN211905916 U CN 211905916U CN 202020667319 U CN202020667319 U CN 202020667319U CN 211905916 U CN211905916 U CN 211905916U
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- glass substrate
- liquid crystal
- fixedly connected
- lamp tube
- negative liquid
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Abstract
The utility model discloses a high-contrast negative liquid crystal screen, which comprises a first glass substrate and a second glass substrate, wherein the first glass substrate is positioned above the second glass substrate and is spaced from the second glass substrate; the protective film is positioned between the first glass substrate and the second glass substrate and positioned at one side close to the first glass substrate; the liquid crystal, the spacer and the frame glue are all positioned between the first glass substrate and the second glass substrate. The utility model discloses a negative LCD screen of high contrast, its negative liquid crystal molecule major axis deflects to perpendicular to electric field direction when the circular telegram, makes luminance, contrast, the definition of display screen have obvious promotion.
Description
Technical Field
The utility model belongs to the technical field of liquid crystal display, concretely relates to negative LCD screen of high contrast.
Background
The publication number is: CN102176090A, entitled invention patent for liquid crystal display device, the technical solution of which discloses a "liquid crystal panel having a negative dielectric constant anisotropic liquid crystal sandwiched between first and second substrates, the liquid crystal alignment direction being perpendicular to the first and second substrates when no voltage is applied to the liquid crystal, and at least one of the first and second substrates including a domain adjusting means for adjusting the orientation of the liquid crystal in a plurality of azimuth angles when a voltage is applied to the liquid crystal; first and second polarizing plates disposed at both sides of the liquid crystal panel; a first retardation film having a refractive index n y in a direction parallel to the absorption axis of the first polarizing plate, a refractive index n x in a perpendicular direction thereof, and a refractive index n z in a thickness direction thereof, the refractive indices having the following relationship: n x > n y ═ n z, the first retardation film being disposed in the space between the liquid crystal panel and the first polarizing plate; and a second phase difference film having a refractive index n y and a refractive index n x and a refractive index n z in a thickness direction thereof in the following relationship: n x is n y ≥ n z, and the second retardation film is disposed in the space between the liquid crystal panel and the second polarizing plate; wherein the in-plane optical retardation of the first retardation film R0 and the in-plane optical retardation of the second retardation film R1 have the following relationship: 8R 0-13R 1 ≦ 1950nm, 0 ≦ R0 ≦ 400, 0 ≦ R1 ≦ 400 (except R0 ═ R1 ≦ 0) ".
Taking the above patent as an example, although the negative dielectric constant anisotropic liquid crystal is mentioned, the technical solution is different from the present invention, most of the display screens are now positive, and the negative liquid crystal screen can obviously improve the integrity, the definition and the contrast of the picture. Therefore, the above problems are further improved.
SUMMERY OF THE UTILITY MODEL
The main object of the present invention is to provide a high contrast negative liquid crystal display, the negative liquid crystal molecule major axis deflects to the direction of the vertical electric field when the negative liquid crystal is powered on, so that the brightness, contrast and definition of the display frame are improved significantly.
In order to achieve the above object, the utility model provides a negative LCD screen of high contrast, include:
the glass substrate comprises a first glass substrate and a second glass substrate, wherein the first glass substrate is positioned above the second glass substrate, and a distance is reserved between the first glass substrate and the second glass substrate;
a protective film positioned between the first glass substrate and the second glass substrate on a side thereof that is adjacent to the first glass substrate;
the liquid crystal display comprises (negative) liquid crystal, a spacer and frame glue, wherein the liquid crystal, the spacer and the frame glue are positioned between a first glass substrate and a second glass substrate;
the first lamp tube and the second lamp tube are positioned on two sides below the second glass substrate, a light guide plate and a reflecting plate are arranged between the first lamp tube and the second lamp tube, and the light guide plate is positioned above the reflecting plate and is in contact with the reflecting plate.
As a more preferable mode of the above mode, a first polarizing plate is provided above the first glass substrate, and the first glass substrate and the first polarizing plate are fixedly connected;
and a second polarizing plate is arranged below the second glass substrate, the second glass substrate is fixedly connected with the second polarizing plate, and the second polarizing plate is positioned above the first lamp tube and the second lamp tube.
As a more preferable mode of the above mode, a black light-shielding layer and a color filter are provided between the first glass substrate and the protective film.
As a further preferable technical solution of the above technical solution, a common electrode is provided below the protective film, and the common electrode is fixedly connected with the protective film;
a first alignment film is arranged below the common electrode and fixedly connected with the common electrode;
a second alignment film located below and in contact with the liquid crystal and the spacer.
As a further preferable technical solution of the above technical solution, a thin film transistor is disposed between the sealant and the spacer, and the thin film transistor is fixedly connected to the second glass substrate.
As a further preferable technical solution of the above technical solution, a display electrode and a storage capacitor are provided between the liquid crystal and the second glass substrate, the display electrode and the second glass substrate are fixedly connected, and the storage capacitor and the second glass substrate are fixedly connected.
As a more preferable mode of the above mode, a diffusion plate and a prism sheet are provided between the second polarizing plate and the light guide plate in this order from top to bottom.
Drawings
Fig. 1 is a schematic structural diagram of a high-contrast negative liquid crystal panel according to the present invention.
The reference numerals include: 10. a first glass substrate; 11. a first polarizing plate; 12. a black light-shielding layer; 13. a color filter; 14. a common electrode; 15. a first alignment film; 20. a second glass substrate; 21. a second polarizing plate; 30. a protective film; 41. a liquid crystal; 42. a spacer; 43. frame glue; 44. a second alignment film; 45. a thin film transistor; 46. a display electrode; 47. a storage capacitor; 51. a first lamp tube; 52. a second lamp tube; 53. a light guide plate; 54. a reflective plate; 55. a diffusion plate; 56. prism sheet.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.
The utility model discloses a negative LCD screen of high contrast, below combine preferred embodiment, further describe utility model's concrete embodiment.
Referring to fig. 1 of the drawings, fig. 1 is a schematic structural diagram of a high-contrast negative liquid crystal panel according to the present invention.
In the embodiments of the present invention, those skilled in the art will note that the diffusion plate, prism sheet, and the like according to the present invention can be regarded as the prior art.
Preferred embodiments.
The utility model discloses a negative LCD screen of high contrast, include:
the glass substrate comprises a first glass substrate 10 and a second glass substrate 20, wherein the first glass substrate 10 is positioned above the second glass substrate 20 and is spaced from the second glass substrate 20;
a protective film 30, the protective film 30 being located between the first glass substrate 10 and the second glass substrate 20 on a side located at and near the first glass substrate 10;
a (negative) liquid crystal 41, a spacer 42 and a sealant 43, wherein the liquid crystal 41, the spacer 42 and the sealant 43 are all located between the first glass substrate 10 and the second glass substrate 20;
the lamp comprises a first lamp tube 51 and a second lamp tube 52, wherein the first lamp tube 51 and the second lamp tube 52 are positioned at two sides below the second glass substrate 20, a light guide plate 53 and a reflection plate 54 are arranged between the first lamp tube 51 and the second lamp tube 52, and the light guide plate 53 is positioned above the reflection plate 54 and is in contact with the reflection plate 54.
Specifically, a first polarizing plate 11 is disposed above the first glass substrate 10, and the first glass substrate 10 and the first polarizing plate 11 are fixedly connected;
a second polarizer 21 is disposed below the second glass substrate 20, and the second glass substrate 20 and the second polarizer 21 are fixedly connected, and the second polarizer 21 is disposed above the first lamp 51 and the second lamp 52.
More specifically, a black light-shielding layer 12 and a color filter 13 are provided between the first glass substrate 10 and the protective film 30.
Further, a common electrode 14 is arranged below the protective film 30, and the common electrode 14 is fixedly connected with the protective film 30;
a first alignment film 15 is arranged below the common electrode 14, and the first alignment film 15 is fixedly connected with the common electrode 14;
a second alignment film 44, the second alignment film 44 being positioned below the liquid crystal 41 and the spacer 42 and contacting the liquid crystal 41 and the spacer 42.
Further, a thin film transistor 45 is disposed between the sealant 43 and the spacer 42, and the thin film transistor 45 is fixedly connected to the second glass substrate 20.
Preferably, a display electrode 46 and a storage capacitor 47 are disposed between the liquid crystal 41 and the second glass substrate 20, the display electrode 46 is fixedly connected to the second glass substrate 20, and the storage capacitor 47 is fixedly connected to the second glass substrate 20.
Preferably, a diffusion plate 55 and a prism sheet 56 are sequentially disposed between the second polarizing plate 21 and the light guide plate 53 from top to bottom.
It should be mentioned that the technical features such as the diffuser plate and the prism sheet that the patent application of the present invention relates to should be regarded as the prior art, and the specific structure, the working principle of these technical features and the control mode and the space arrangement mode that may involve adopt the conventional selection in this field, should not be regarded as the invention point of the present invention, the present invention does not further specifically expand the detailed description.
It will be apparent to those skilled in the art that modifications and variations can be made in the above-described embodiments, or some features of the invention may be substituted or omitted, and any modification, substitution, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. A high-contrast negative liquid crystal panel, comprising:
the glass substrate comprises a first glass substrate and a second glass substrate, wherein the first glass substrate is positioned above the second glass substrate, and a distance is reserved between the first glass substrate and the second glass substrate;
a protective film positioned between the first glass substrate and the second glass substrate on a side thereof that is adjacent to the first glass substrate;
the liquid crystal, the spacers and the frame glue are all positioned between the first glass substrate and the second glass substrate;
the first lamp tube and the second lamp tube are positioned on two sides below the second glass substrate, a light guide plate and a reflecting plate are arranged between the first lamp tube and the second lamp tube, and the light guide plate is positioned above the reflecting plate and is in contact with the reflecting plate.
2. The negative liquid crystal display according to claim 1, wherein a first polarizer is disposed above the first glass substrate, and the first glass substrate is fixedly connected to the first polarizer;
and a second polarizing plate is arranged below the second glass substrate, the second glass substrate is fixedly connected with the second polarizing plate, and the second polarizing plate is positioned above the first lamp tube and the second lamp tube.
3. The high-contrast negative liquid crystal panel according to claim 2, wherein a black light-shielding layer and a color filter are provided between said first glass substrate and said protective film.
4. The high-contrast negative liquid crystal display according to claim 3, wherein a common electrode is disposed below the protective film, and the common electrode is fixedly connected to the protective film;
a first alignment film is arranged below the common electrode and fixedly connected with the common electrode;
a second alignment film located below and in contact with the liquid crystal and the spacer.
5. The negative liquid crystal display panel of claim 4, wherein a thin film transistor is disposed between the frame glue and the spacer, and the thin film transistor is fixedly connected to the second glass substrate.
6. The negative liquid crystal panel of claim 5, wherein a display electrode and a storage capacitor are disposed between the liquid crystal and the second glass substrate, the display electrode is fixedly connected to the second glass substrate, and the storage capacitor is fixedly connected to the second glass substrate.
7. The high-contrast negative liquid crystal panel of claim 6, wherein a diffuser plate and a prism sheet are disposed between said second polarizer and said light guide plate in this order from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020667319.0U CN211905916U (en) | 2020-04-27 | 2020-04-27 | High-contrast negative liquid crystal screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020667319.0U CN211905916U (en) | 2020-04-27 | 2020-04-27 | High-contrast negative liquid crystal screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211905916U true CN211905916U (en) | 2020-11-10 |
Family
ID=73277288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020667319.0U Expired - Fee Related CN211905916U (en) | 2020-04-27 | 2020-04-27 | High-contrast negative liquid crystal screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211905916U (en) |
-
2020
- 2020-04-27 CN CN202020667319.0U patent/CN211905916U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 |