Low-power-consumption TFT (Thin Film Transistor) liquid crystal module

By improving the TFT-panel and polarizer process, combining color filters and orientation films, the color display and visual effect of low-power TFT liquid crystal modules are achieved, solving the problems of monotonous and whitening colors of traditional modules, and the power consumption is reduced to 20%-0.5%.

CN223284479UActive Publication Date: 2025-08-29HEYUAN SIBI ELECTRONICS
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Patent Information

Application Number
CN202422625812.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-08-29
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

The traditional low-power TFT liquid crystal module shows monotonous colors when reflecting external light sources, which are not effective in use, and is prone to whitening under strong light.

Method used

The improved TFT-panel process and polarizer process are adopted, combined with color filters and orientation films, and color display is achieved through precise voltage regulation, and the backlight-free structure and low-power scanning mode are adopted to reduce power consumption by using reflected light sources.

Benefits of technology

It realizes rich color display and better visual experience, while reducing power consumption, protecting user's vision, and reducing power consumption to between 20%-0.5%.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a low-power-consumption TFT liquid crystal module which comprises a shell and a module body arranged in the shell, and the module body is composed of a surface-layer polarizing plate, an upper-layer glass substrate, a transparent conducting film, a liquid crystal layer, a lower-layer glass substrate and a bottom-layer polarizing plate. Color filters are arranged at the bottom of the upper glass substrate and the top of the lower glass substrate, directional films are arranged between the two transparent conductive films and the liquid crystal layer, and the module body adopts a reflective liquid crystal display and adopts a low-power scanning mode. The low-power-consumption TFT liquid crystal module provided by the utility model has the technical effects of improving the visual effect and further reducing the power consumption.
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Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal modules, and in particular to a low-power TFT liquid crystal module. Background Art

[0002] my country has become the world's largest display panel production base. Display panel factories are characterized by their large scale, large volume, and high energy consumption. The goals of achieving carbon peak and carbon neutrality require display panel companies to vigorously promote the full-process application of low-carbon technologies, establish green and low-carbon management throughout the entire life cycle, and form a low-carbon closed loop. For the display industry, carbon neutrality imposes significant pressure on industrial restructuring and transformation, but it also holds enormous potential and will foster new growth drivers. Small companies in our LCD industry must also actively respond to the national call to develop LCD modules that are extremely low-power, sunlight-readable, and eye-friendly.

[0003] However, in order to reduce power consumption, traditional low-power TFT LCD modules usually use reflection of external light sources to achieve this. This can eliminate the backlight and thus achieve the predetermined power consumption reduction. However, while reflecting the light source, traditional LCD display technology is simple, the color display is monotonous, and the performance is poor.

[0004] For example, under strong light, ordinary display technology will have a whitening problem. Although it can use external light source reflection, if the whitening problem is not solved, it will still affect the display effect. Utility Model Content

[0005] The utility model discloses a low-power TFT liquid crystal module, which aims to solve the technical problem that traditional low-power TFT liquid crystal modules, in order to reduce power consumption, mostly adopt reflection of external light sources to achieve this, thereby eliminating backlight and thus achieving a predetermined power consumption reduction. However, while reflecting the light source, the traditional liquid crystal display technology is simple, the color display is monotonous, and the use effect is poor.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A low-power TFT liquid crystal module includes a housing and a module body disposed within the housing, characterized in that the module body is composed of a surface polarizer, an upper glass substrate, a transparent conductive film, a liquid crystal layer, a lower glass substrate, and a bottom polarizer, color filters are provided at the bottom of the upper glass substrate and the top of the lower glass substrate, and an orientation film is provided between the two transparent conductive films and the liquid crystal layer.

[0008] In this solution, when assembling the module body, the TFT-panel process and polarizer process are improved so that the upper and lower glass substrates are semi-transparent or reflective, enabling color display. Furthermore, through precise voltage regulation, the TFT liquid crystal module can present richer colors, meeting users' needs for visual experience and achieving better results.

[0009] In a preferred solution, the module body adopts a reflective liquid crystal display and adopts a low-power scanning mode.

[0010] Setting a low power filter for scanning can further reduce power consumption.

[0011] In a preferred solution, the module body has no backlight structure.

[0012] Removing the backlight from the module body can significantly reduce power consumption. At the same time, it also avoids blue light in the backlight, providing better protection for the user's eyesight.

[0013] In a preferred embodiment, the outer shell consists of a top cover and a bottom cover, screw holes are provided at the four corners of the top outer wall of the top cover, screw grooves are provided at the four corners of the top outer wall of the bottom cover, screws are screwed to the corresponding positions of the screw holes and the screw grooves, and a rectangular closed-loop structure extrusion pad is provided at the bottom of the top cover, the extrusion pad is made of rubber, and the bottom of the extrusion pad is in conflict with the surface polarizer.

[0014] The top cover and bottom cover can be tightly connected by fixing with screws at the corners. During this process, the extrusion pad at the bottom of the top cover can be driven to press tightly against the surface polarizer. By utilizing the soft rubber properties of the extrusion pad, the soft deformation during the extrusion process can reduce the gap between the surface polarizer and the top cover, preventing external debris from affecting the module body during use.

[0015] In a preferred solution, a sealing ring is provided on the bottom outer wall of the top cover, a sealing groove is provided on the top outer wall of the bottom cover, the sealing ring and the sealing groove are matched, and a surrounding groove is provided on the top inner wall of the top cover.

[0016] The joint between the top cover and the bottom cover is sealed by the cooperation of the sealing ring and the sealing groove, so as to prevent external water or debris from entering the interior through the joint between the top cover and the bottom cover, thereby avoiding damage to the internal electronic components. Among them, the surrounding groove set inside the top cover can effectively surround and protect the module body.

[0017] As described above, a low-power TFT liquid crystal module includes a housing and a module body disposed within the housing. The module body is composed of a surface polarizer, an upper glass substrate, a transparent conductive film, a liquid crystal layer, a lower glass substrate, and a bottom polarizer. Color filters are provided on the bottom of the upper glass substrate and the top of the lower glass substrate, and an alignment film is provided between the two transparent conductive films and the liquid crystal layer. The low-power TFT liquid crystal module provided by this utility model has the technical effects of improving visual effects and further reducing power consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a low-power TFT liquid crystal module proposed by the present invention.

[0019] Figure 2 This is a cross-sectional side view of a low-power TFT liquid crystal module proposed by the present invention.

[0020] Figure 3 For this utility model Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0021] Figure 4 This is a schematic diagram of the top cover and bottom structure of a low-power TFT liquid crystal module proposed by the present invention.

[0022] Figure 5 For this utility model Figure 4 Schematic diagram of the enlarged structure at point B in the middle.

[0023] Figure 6 This is a schematic diagram of the module body structure of a low-power TFT liquid crystal module proposed by the present invention.

[0024] In the accompanying drawings: 1. Top cover; 2. Bottom cover; 3. Screws; 4. Surface polarizer; 5. Upper glass substrate; 6. Transparent conductive film; 7. Liquid crystal layer; 8. Lower glass substrate; 9. Bottom polarizer; 10. Squeeze pad; 11. Sealing ring; 12. Groove; 13. Module body; 14. Sealing groove. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. The components of the embodiments of the present application generally described and marked in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work fall within the scope of protection of the present application.

[0026] The low-power TFT liquid crystal module disclosed in the present invention is mainly used in traditional low-power TFT liquid crystal modules. In order to reduce power consumption, most of them adopt reflection of external light sources to eliminate backlight, thereby achieving a predetermined power consumption reduction. However, while reflecting the light source, traditional liquid crystal display technology is simple, the color display is monotonous, and the use effect is not good.

[0027] Reference Figure 1 、 Figure 2 and Figure 3 A low-power TFT liquid crystal module includes a shell and a module body 13 arranged in the shell. The module body 13 is composed of a surface polarizer 4, an upper glass substrate 5, a transparent conductive film 6, a liquid crystal layer 7, a lower glass substrate 8 and a bottom polarizer 9. Color filters are provided at the bottom of the upper glass substrate 5 and the top of the lower glass substrate 8, and an orientation film is provided between the two transparent conductive films 6 and the liquid crystal layer 7.

[0028] During specific use, when assembling the module body 13, by improving the TFT-panel process and polarizer process, the upper glass substrate 5 and the lower glass substrate 8 are made semi-transparent or reflective, so that color display can be achieved. Then, through precise voltage adjustment, the TFT liquid crystal module can present richer colors to meet the user's needs for visual experience.

[0029] In the TFT-panel process, TFT technology and LCD technology are combined to display images by controlling the arrangement of liquid crystal molecules. The surface polarizer 4, the upper glass substrate 5, the transparent conductive film 6, the liquid crystal layer 7, the lower glass substrate 8 and the bottom polarizer 9 are all constructed by the TFT-panel process. In the improved TFT-panel process, the transmittance of red, green and blue light can be controlled by adjusting the orientation of the liquid crystal molecules, thereby realizing color display. It can also achieve higher resolution, making the image clearer and more delicate. The power consumption during display is also relatively low, which is more environmentally friendly. In addition, it has a wider viewing angle, so that good visual effects can be obtained when viewed from multiple directions.

[0030] In the polarizer process, multi-layer material compounding, high-precision control and multifunctionality are integrated. By continuously optimizing the process flow and adopting advanced technology, the surface polarizer 4 and bottom polarizer 9 with excellent performance and stable quality are produced.

[0031] The module body 13 adopts a reflective liquid crystal display and adopts a low-power scanning mode. The low-power filter scanning can further reduce power consumption.

[0032] There are two layers of transparent conductive films 6 , and the two layers of transparent conductive films 6 are respectively located on both sides of the liquid crystal layer 7 .

[0033] The module body 13 does not have a backlight structure. Removing the backlight from the module body 13 can significantly reduce power consumption. At the same time, it also avoids blue light in the backlight, which better protects the user's eyesight.

[0034] It should be noted that through low-power scanning and removing the backlight, power consumption can be reduced to between 20% and 0.5%, while being able to present richer colors.

[0035] Reference Figure 1 、 Figure 4 、 Figure 5 and Figure 6 In a preferred embodiment, the outer shell consists of a top cover 1 and a bottom cover 2. The top cover 1 has screw holes at the four corners of the top outer wall, and the bottom cover 2 has screw grooves at the four corners of the top outer wall. Screws 3 are screwed into the corresponding positions of the screw holes and the screw grooves. A rectangular closed-loop extrusion pad 10 is provided at the bottom of the top cover 1. The extrusion pad 10 is made of rubber, and the bottom of the extrusion pad 10 is in conflict with the surface polarizer 4.

[0036] Specifically, by fixing with screws 3 at the corners, the top cover 1 and the bottom cover 2 can be tightly connected. During this process, the extrusion pad 10 at the bottom of the top cover 1 can be driven to press tightly against the surface polarizer 4. By utilizing the soft rubber properties of the extrusion pad 10, the soft deformation during the extrusion process can reduce the gap between the surface polarizer 4 and the top cover 1, thereby preventing external debris from affecting the module body 13 during use.

[0037] Reference Figure 4 、 Figure 5 and Figure 6 In a preferred embodiment, a sealing ring 11 is provided on the bottom outer wall of the top cover 1, a sealing groove 14 is provided on the top outer wall of the bottom cover 2, the sealing ring 11 and the sealing groove 14 are adapted to each other, and a surrounding groove 12 is provided on the top inner wall of the top cover 1.

[0038] Specifically, the sealing ring 11 and the sealing groove 14 are cooperated to perform a sealing treatment at the connection between the top cover 1 and the bottom cover 2, thereby preventing external water or debris from entering the interior along the connection between the top cover 1 and the bottom cover 2, thereby avoiding damage to the internal electronic components. Among them, the surrounding groove 12 set inside the top cover 1 can effectively surround and protect the module body 13.

[0039] Working principle: When in use, the module body 13 is assembled using the improved TFT-panel process and polarizer process, and then the module body 13 is assembled and installed using the top cover 1 and the bottom cover 2. During the assembly process, the groove 12 inside the top cover 1 will limit the side of the module body 13. After the limitation is completed, the top cover 1 and the bottom cover 2 are screwed and fixed with screws 3. The assembled module body 13 can be used outdoors and can be read after being reflected by the reflected light outdoors. It can be used in an environmentally friendly way under the condition of no backlight and low-power scanning.

[0040] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. The replacements described may be partial structures, devices, or method steps, or they may be complete technical solutions. Any equivalent replacements or modifications based on the technical solution and the concept of the present invention shall be covered by the scope of protection of the present invention.

Claims

1. A low-power TFT liquid crystal module, comprising a housing and a module body (13) arranged in the housing, characterized in that: The module body (13) is composed of a surface polarizing plate (4), an upper glass substrate (5), a transparent conductive film (6), a liquid crystal layer (7), a lower glass substrate (8) and a bottom polarizing plate (9), the bottom of the upper glass substrate (5) and the top of the lower glass substrate (8) are both provided with color filters, and an orientation film is provided between the two transparent conductive films (6) and the liquid crystal layer (7).

2. A low-power TFT liquid crystal module according to claim 1, characterized in that: The module body (13) adopts a reflective liquid crystal display and adopts a low-power scanning mode.

3. The low-power TFT liquid crystal module according to claim 1, characterized in that: The number of the transparent conductive films (6) is two, and the two layers of the transparent conductive films (6) are respectively located on both sides of the liquid crystal layer (7).

4. The low-power TFT liquid crystal module according to claim 1, characterized in that: There is no backlight structure in the module body (13).

5. The low-power TFT liquid crystal module according to claim 1, characterized in that: The housing is composed of a top cover (1) and a bottom cover (2), wherein screw holes are provided at the four corners of the top outer wall of the top cover (1), and screw grooves are provided at the four corners of the top outer wall of the bottom cover (2), and screws (3) are screwed at corresponding positions of the screw holes and the screw grooves.

6. The low-power TFT liquid crystal module according to claim 5, characterized in that: A squeezing pad (10) with a rectangular closed-loop structure is provided at the bottom of the top cover (1); the squeezing pad (10) is made of rubber, and the bottom of the squeezing pad (10) is in contact with the surface polarizing plate (4).

7. The low-power TFT liquid crystal module according to claim 6, characterized in that: A sealing ring (11) is provided on the bottom outer wall of the top cover (1), a sealing groove (14) is provided on the top outer wall of the bottom cover (2), the sealing ring (11) and the sealing groove (14) are adapted to each other, and a surrounding groove (12) is provided on the top inner wall of the top cover (1).