On cell VA segment code screen LCD

Abstract

The utility model provides an On cell VA segment code screen LCD which is characterized in that a second surface of upper glass and a second surface of lower glass are oppositely attached, a liquid crystal module filled with liquid crystal materials is arranged in an attaching gap, a lower polaroid is attached to a first surface of the lower glass, and a first ITO film and a second ITO film are plated on the second surface of the upper glass and the second surface of the lower glass. The first surface between the upper glass and the upper polaroid is plated with a third ITO film, the third ITO film is provided with a touch pattern and a touch wire, and a touch IC is arranged outside the touch wire. According to the utility model, the On cell design is added on the VA segment code screen LCD, and the touch control pattern and the touch control wire for realizing the touch control function are arranged on the surface of the upper glass outside the LCD box, so that the control on the LCD function can be realized through touch control, external physical keys are not needed, a touch screen does not need to be hung on the LCD, the structure is simple, the manufacturing process is simple, and the cost is lower.

Description

Technical Field

[0001] The utility model relates to the technical field of VA segment code screen LCD, in particular to an On cell VA segment code screen LCD. Background Art

[0002] Traditional VA segment screen products do not have touch functions, and usually require external physical buttons to control LCD functions. External physical buttons or knobs are not beautiful and take up a certain amount of space. Commonly used LCD modules with touch functions require a touch screen to be attached to the LCD, which has high module costs, complex processes, and no unit price advantage. With the advancement of technology and the improvement of aesthetics, people's pursuit of LCD electronic products has become more convenient and intelligent. At the same time, in an increasingly competitive market environment, price guidance has become more and more obvious. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide an ITO pattern and wiring for a touch function on the upper glass surface of a VA segment code LCD screen, an external drive system to achieve the touch function, reduce costs, and no external touch screen is required.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] An on-cell VA segment code LCD comprises an upper glass and a lower glass, an upper polarizer, a lower polarizer and a liquid crystal module which are arranged relatively to each other, wherein the second surface of the upper glass and the second surface of the lower glass are bonded to each other, and the bonding gap is provided with the liquid crystal module filled with liquid crystal material, the lower polarizer is bonded to the first surface of the lower glass, the second surface of the upper glass and the second surface of the lower glass are coated with a first ITO film and a second ITO film, the first surface between the upper glass and the upper polarizer is coated with a third ITO film, a touch pattern and a touch wiring are provided on the third ITO film, and the touch wiring is externally connected to a touch IC.

[0006] Furthermore, one side of the lower glass extends out from the upper glass, a driver IC is bound to the second surface of the lower glass extending out from the upper glass, and the driver IC is connected to the touch wiring and the touch pattern through an external touch IC.

[0007] Preferably, the upper glass is double-sided conductive ITO glass.

[0008] Furthermore, there is at least one touch pattern, and each of the touch patterns corresponds to one or more specific touch function areas of the upper glass.

[0009] Preferably, the touch pattern is an ITO pattern.

[0010] Furthermore, the ITO pattern is screen-printed on the third ITO film.

[0011] Furthermore, the touch control wiring is at least one group, and each group of the touch control wiring corresponds to a specific touch control pattern, thereby ensuring accurate transmission of signals.

[0012] Furthermore, the touch pattern and the touch trace are at the same level.

[0013] Furthermore, the touch wiring is made of indium tin oxide.

[0014] The utility model adds an On cell design to the VA segment code screen LCD, and makes the touch pattern and touch wiring for realizing the touch function on the upper glass surface outside the LCD box, so that the LCD function can be controlled by touch, without external physical buttons or external touch screen on the LCD, with simple structure, simple process and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a schematic diagram of the On cell VA segment code LCD structure. DETAILED DESCRIPTION

[0017] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the relevant drawings. The drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly and comprehensively understood.

[0018] It should be noted that the terms "first", "second", "third" and similar expressions used in the present utility model are only for the purpose of explanation and do not represent the only implementation mode. In the present utility model, unless otherwise clearly stipulated and limited, the terms "connection", "correspondence" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances. The terms used in the specification of the present utility model are only for the purpose of describing specific implementation modes and are not intended to limit the present utility model.

[0019] See also Figure 1 In one embodiment of an on-cell VA segment code screen LCD, an upper glass 1 and a lower glass 2, an upper polarizer 3, a lower polarizer 4 and a liquid crystal module 5 are arranged relatively to each other, the second surface of the upper glass 1 and the second surface of the lower glass 2 are bonded to each other, and a liquid crystal module 5 filled with liquid crystal material is provided in the bonding gap, and the lower polarizer 4 is bonded to the first surface of the lower glass 2, characterized in that the second surface of the upper glass 1 and the second surface of the lower glass 2 are coated with a first ITO film 11 and a second ITO film 21, the first surface between the upper glass 1 and the upper polarizer 3 is coated with a third ITO film 12, a touch pattern 13 and a touch wiring 14 are provided on the third ITO film 12, and the touch wiring 14 is connected to the driver IC 6 through an external touch system.

[0020] In this way, an On cell design is added between the upper glass 1 and the upper polarizer 3 on the VA segment code screen, and the touch pattern 13 and the touch wiring 14 are arranged on the third ITO film 12 between the upper glass 1 and the upper polarizer 3. The touch pattern 13 provides interaction between the user and the screen, and the touch wiring 14 is responsible for transmitting the signal on the touch pattern 13 to the external touch IC for processing and then feeding back to the driver IC6, which is used to realize the touch and control functions of the VA segment code screen LCD, so that there is no need for an external knob to control the LCD, and there is no need for an external touch screen for interaction. The VA segment code screen LCD product using this design is both beautiful and convenient, more intelligent, relatively simple in process, price-competitive, and more competitive in the market.

[0021] In this embodiment, one side of the lower glass 2 extends out from the upper glass 1, and a driver IC6 is bound to the second surface of the lower glass 2 extending out from the upper glass 1. The driver IC6 is connected to the touch wiring 14 and the touch pattern 13 through an external touch control system, so that the touch wiring 14 plays a role in signal transmission, connecting the touch pattern 13 distributed throughout the screen with the driver IC6, ensuring that the touch signal can be accurately transmitted to the processing unit.

[0022] It should be noted that in other embodiments, the connection between the driver IC6 and the touch wiring 14 and the touch pattern 13 may also have other intermediate components or functional circuits. For example, the touch pattern 13 is connected to the FPC and then connected to the driver IC6, or a filter is connected between the driver IC6 and the touch wiring 14.

[0023] In this embodiment, the upper glass 1 is double-sided conductive ITO glass.

[0024] In this embodiment, there is at least one touch pattern 13, and each touch pattern 13 corresponds to one or more specific touch function areas of the upper glass 1. In this way, the touch pattern 13 corresponds to one or more specific touch functions or commands, which are used to detect the user's touch action, so as to control the LCD display function by touch instead of the traditional external physical buttons or knobs.

[0025] In this embodiment, the touch pattern 13 is an ITO pattern, and the ITO pattern is screen-printed on the third ITO film 12 .

[0026] In this embodiment, the touch wiring 14 is at least one group, and each group of touch wiring 14 corresponds to a specific touch pattern 13 to ensure accurate signal transmission.

[0027] In this embodiment, the touch pattern 13 and the touch trace 14 are at the same level, so there is no need to provide a conductive column, so that the electrical connection reliability between the touch pattern 13 and the touch trace 14 is higher.

[0028] In this embodiment, the material of the touch wiring 14 is indium tin oxide, which ensures the effective transmission of the touch signal.

[0029] The utility model adds an On cell design to the VA segment code screen LCD, and makes the touch pattern 13 and the touch wiring 14 for realizing the touch function on the surface of the upper glass 1 of the LCD, so as to realize the touch control and regulation of the LCD function, with a simple structure, a simple process and a low cost.

[0030] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. An on-cell VA segment code LCD, comprising an upper glass and a lower glass, an upper polarizer, a lower polarizer and a liquid crystal module arranged opposite to each other, wherein the second surface of the upper glass and the second surface of the lower glass are bonded to each other, the bonding gap is provided with the liquid crystal module filled with liquid crystal material, and the lower polarizer is bonded to the first surface of the lower glass, characterized in that: The second surface of the upper glass and the second surface of the lower glass are coated with a first ITO film and a second ITO film, the first surface between the upper glass and the upper polarizer is coated with a third ITO film, a touch pattern and touch wiring are provided on the third ITO film, and the touch wiring is external to the touch IC.

2. The on-cell VA segment LCD according to claim 1, characterized in that: One side of the lower glass extends out of the upper glass, and a driver IC is bonded to a second surface of the lower glass extending out of the upper glass.

3. The on-cell VA segment LCD according to claim 2, characterized in that: The driving IC is connected to the touch wiring and the touch pattern through an external touch IC.

4. The on-cell VA segment LCD according to claim 1, characterized in that: The upper glass is double-sided conductive ITO glass.

5. The on-cell VA segment LCD according to claim 1, characterized in that: There is at least one touch pattern, and each of the touch patterns corresponds to one or more specific touch function areas of the upper glass.

6. The on-cell VA segment LCD according to claim 5, characterized in that: The touch pattern is an ITO pattern.

7. The on-cell VA segment LCD according to claim 6, characterized in that: The ITO pattern is screen-printed on the third ITO film.

8. The on-cell VA segment LCD according to claim 7, characterized in that: The touch control wirings are at least one group, and each group of the touch control wirings corresponds to a specific touch control pattern, thereby ensuring accurate transmission of signals.

9. The on-cell VA segment LCD according to claim 8, characterized in that: The touch pattern and the touch wiring are at the same level.

10. The on-cell VA segment LCD according to claim 9, characterized in that: The touch wiring material is indium tin oxide.

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