CN220872815U - TFT display screen, display module and display device - Google Patents

Abstract

The application relates to the technical field of display screens, in particular to a TFT display screen, a display module and a display device. The TFT display includes: the glass cover plate and the TFT screen are connected in a superposition mode, a first ink layer is formed on the glass cover plate in a silk-screen mode to form a cover plate ink area, a second ink layer is formed on the black matrix area of the TFT screen in a silk-screen mode, and the reflectivity of the first ink layer and the reflectivity of the second ink layer are matched with each other to enable the cover plate ink area, the visible area of the TFT screen and the black matrix area of the TFT screen to form integral black. According to the TFT display screen, the first ink layer and the second ink layer with the reflectivity being matched are arranged, so that the cover plate ink area, the visible area of the TFT screen and the black matrix area of the TFT screen form integral black, the integral black effect is good, and the whole display screen is attractive.

Description

TFT display screen, display module and display device

Technical Field

The application relates to the technical field of display screens, in particular to a TFT display screen, a display module and a display device.

Background

With the rapid development of intellectualization of automobile, industrial and household products, the pursuit of human beings on visual aesthetic feeling of the products is also higher and higher, and the multi-screen, high definition and multi-morphology are developed gradually. In order to create products with competitive visual effects, the display screen 'integral black' technology will become a new trend. The integrated black effect of the display screen in the prior art is poor, so that a circle of obvious white 'back' line frame exists between the visible area of the TFT screen and the visible area of the glass cover plate under the condition that the screen is extinguished, and the display screen is not attractive.

Disclosure of utility model

In order to solve the defects in the prior art, the application aims to provide a TFT display screen, which solves the problems of poor integral black effect and unattractive appearance of the display screen in the prior art.

In order to achieve the above purpose, the application provides a TFT display screen, which comprises a glass cover plate and a TFT screen which are connected in a superposition way, wherein a first ink layer is silk-screened on the glass cover plate to form a cover plate ink area, a second ink layer is silk-screened on a black matrix area of the TFT screen, and the reflectivity of the first ink layer and the reflectivity of the second ink layer are matched to enable the cover plate ink area, a visible area of the TFT screen and the black matrix area of the TFT screen to form integral black.

Further, the TFT screen is adhered to the glass cover plate through optical cement.

Further, the TFT screen comprises a CF glass layer, a liquid crystal layer and a TFT glass layer which are connected in a superposition mode.

Further, the black matrix area of the TFT glass layer is provided with an ITO wiring layer, and the second ink layer is arranged above the ITO layer.

Further, a frame glue layer is further arranged between the second ink layer and the CF glass layer.

Further, the second ink layer is also connected with a reflecting layer in a superposition manner.

Furthermore, the surface of the CF glass layer is plated with an ITO film layer.

Further, the TFT screen also comprises an upper polaroid and a lower polaroid which are attached to two sides of the TFT screen.

In order to achieve the above object, the present application provides a display module, including the TFT display screen as described above.

In order to achieve the above object, the present application provides a display device including the display module set as described above.

The TFT display screen has the following beneficial effects:

According to the TFT display screen, the first ink layer and the second ink layer with the reflectivity being matched are arranged, so that the cover plate ink area, the visible area of the TFT screen and the black matrix area of the TFT screen form integral black, the integral black effect is good, and the whole display screen is attractive.

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

Drawings

The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate the application and together with the embodiments of the application, and do not limit the application. In the drawings:

Fig. 1 is a schematic structural diagram of a TFT display screen according to embodiment 1 of the present application;

Fig. 2 is a schematic structural diagram of a TFT screen according to embodiment 1 of the present application;

FIG. 3 is an enlarged schematic view of FIG. 2 at S;

fig. 4 is a schematic structural diagram of a TFT screen according to embodiment 2 of the present application;

FIG. 5 is an enlarged schematic view of FIG. 4 at A;

Description of the drawings: 1-glass cover plate, 2-first printing ink layer, 3-optical adhesive, 4-TFT screen, 5-upper polaroid, 6-lower polaroid, 41-CF glass layer, 42-TFT glass layer, 43-liquid crystal layer, 44-ITO wiring layer, 45-second printing ink layer, 46-frame adhesive, 47-reflecting layer and 48-ITO film layer.

Detailed Description

Embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While the application is susceptible of embodiment in the drawings, it is to be understood that the application may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided to provide a more thorough and complete understanding of the application. It should be understood that the drawings and embodiments of the application are for illustration purposes only and are not intended to limit the scope of the present application.

It should be understood that the various steps recited in the method embodiments of the present application may be performed in a different order and/or performed in parallel. Furthermore, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the application is not limited in this respect.

The term "including" and variations thereof as used herein are intended to be open-ended, i.e., including, but not limited to. The term "based on" is based at least in part on. The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments. Related definitions of other terms will be given in the description below.

It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those skilled in the art will appreciate that "one or more" is intended to be construed as "one or more" unless the context clearly indicates otherwise. "plurality" is understood to mean two or more.

Hereinafter, embodiments of the present application will be described in detail with reference to the accompanying drawings.

Example 1

The embodiment of the application provides a TFT display screen, which solves the problems of poor integral black effect and unattractive appearance of the display screen in the prior art.

The TFT display screen of the present application will be described in detail with reference to fig. 1 to 3 as follows:

The utility model provides a TFT display screen, includes glass apron 1 and TFT screen 4 that coincide is connected, and the silk screen printing has first printing ink layer 2 to form the apron printing ink district on the glass apron 1, and the black matrix district silk screen printing of TFT screen 4 has second printing ink layer 45, and the reflectivity looks adaptation of first printing ink layer 2 and second printing ink layer 45 makes apron printing ink district, the visible region of TFT screen 4, the black matrix district of TFT screen 4 form integrative black.

It should be noted that, for the display screen, to implement integral black, the display screen needs to satisfy the following formula:

Wherein, L1 is the brightness value of the cover plate ink area, a1 is the horizontal direction color coordinate of the cover plate ink area, b1 is the vertical direction color coordinate of the cover plate ink area, L2 is the brightness value of the TFT screen visual area, a2 is the horizontal direction color coordinate of the TFT screen visual area, and b2 is the vertical direction color coordinate of the TFT screen visual area.

In the present embodiment, therefore, the integral black is realized by providing the first ink layer 2 and the second ink layer 45 with reflectance matching so that the display screen satisfies the above formula.

In the present embodiment, the TFT screen 4 is bonded to the glass cover plate 1 by the optical adhesive 3.

In the present embodiment, the TFT screen 4 includes a CF glass layer 41, a liquid crystal layer 43, and a TFT glass layer 42, which are laminated and connected.

In the present embodiment, the black matrix region of the TFT glass layer 42 is provided with an ITO wiring layer 44, and the second ink layer 45 is provided above the ITO layer 44.

In the present embodiment, a sealant layer 46 is further provided between the second ink layer 45 and the CF glass layer 41.

In this embodiment, the surface of the CF glass layer is plated with an ITO thin film layer 48.

In this embodiment, the TFT display screen further includes an upper polarizer 5 and a lower polarizer 6 attached to both sides of the TFT screen 4.

Example 2

The embodiment of the application provides a TFT display screen, which solves the problems of poor integral black effect and unattractive appearance of the display screen in the prior art.

The TFT display screen of embodiment 2 of the present application will be described in detail below with reference to fig. 4 to 5:

example 2 of the present application differs from example 1 in that:

in the present embodiment, the second ink layer 45 is further laminated with a reflective layer 47.

In the present embodiment, the integral black is realized by providing the second ink layer 45, the reflective layer 47, and the first ink layer 2 with reflectance matching.

Example 3

An embodiment of the present application provides a display module including the TFT display screen as described above.

Example 4

An embodiment of the present application provides a display device including the display module set described above.

The above description is only illustrative of some of the embodiments of the present application and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the disclosure referred to in the present application is not limited to the specific combinations of technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the spirit of the disclosure. Such as the above-mentioned features and the technical features disclosed in the present application (but not limited to) having similar functions are replaced with each other.

Moreover, although operations are depicted in a particular order, this should not be understood as requiring that such operations be performed in the particular order shown or in sequential order. In certain circumstances, multitasking and parallel processing may be advantageous. Likewise, while several specific implementation details are included in the above discussion, these should not be construed as limiting the scope of the application. Certain features that are described in the context of separate embodiments can also be implemented in combination in a single embodiment. Conversely, various features that are described in the context of a single embodiment can also be implemented in multiple embodiments separately or in any suitable subcombination.

Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are example forms of implementing the claims.

Claims (10)

1. The utility model provides a TFT display screen, its characterized in that includes glass apron and the TFT screen that coincide is connected, the silk screen printing has first printing ink layer to form apron printing ink district on the glass apron, the black matrix district silk screen printing of TFT screen has the second printing ink layer, the reflectivity looks adaptation on first printing ink layer and second printing ink layer makes apron printing ink district, the visible region of TFT screen, the black matrix district of TFT screen form integrative black.

2. The TFT display screen of claim 1, wherein the TFT screen is bonded to the glass cover plate by an optical adhesive.

3. The TFT display screen of claim 2, wherein the TFT screen comprises a CF glass layer, a liquid crystal layer, and a TFT glass layer in overlapping connection.

4. A TFT display screen according to claim 3, wherein the black matrix region of the TFT glass layer is provided with an ITO track layer, and the second ink layer is provided above the ITO track layer.

5. The TFT display screen of claim 4, wherein a sealant layer is further disposed between the second ink layer and the CF glass layer.

6. The TFT display screen of claim 5, wherein the second ink layer is further laminated with a reflective layer.

7. The TFT display screen of claim 6, wherein the CF glass layer is coated with an ITO thin film layer.

8. The TFT display screen of claim 1, further comprising an upper polarizer and a lower polarizer attached to both sides of the TFT screen.

9. A display module comprising a TFT display screen as claimed in any one of claims 1 to 8.

10. A display device comprising the display module of claim 9.