Light-emitting assembly for liquid crystal display

Abstract

The utility model discloses a light-emitting assembly for liquid crystal display, which belongs to the technical field of liquid crystal display and comprises a connecting front frame and a fixing back plate, a liquid crystal display screen is arranged in the connecting front frame, and connecting clamping grooves are formed in the outer sides of the bottom ends of the outer surfaces of the connecting front frame and the fixing back plate. A middle mounting frame is arranged between the front connecting frame and the fixing back plate, the front side and the rear side of the outer surface of the middle mounting frame are located in the connecting clamping grooves and are in sliding connection, and a machine plate inserting hole, an upper polaroid inserting hole and a lower polaroid inserting hole are formed in the right side of the outer surface of the middle mounting frame; the upper polaroid inserting hole and the lower polaroid inserting hole are formed in the front side and the rear side of the machine plate inserting hole respectively, sliding grooves are formed in the upper side and the lower side of the inner surface of the mounting middle frame, and a fixing groove is formed in the left side of the inner surface of the mounting middle frame; by means of the technical scheme, the problem that after the light-emitting assembly used for the liquid crystal display is used for a long time, disassembly and assembly are inconvenient when maintenance is needed is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of clamping workpieces, and particularly relates to a light-emitting component for liquid crystal display. Background Technique

[0002] In information display technology, people have discovered the important role and significance of information digitization. Digitalized information is more accurate, consistent, easier to transmit and identify. Many kinds of information can be directly represented by numbers, so digital information display has become another important content of information display. Then it has developed from digital display to character display, which uses the unique language and characters of human beings for display. This kind of display, combined with digital display, has a wider range of uses and a larger quantity. At the same time, people also hope to use graphics and images for display, and the displayed content is colorful, can be real-time active and has a three-dimensional effect. These have been successively realized at the end of the 20th century. LCD computers, mobile phones, portable computers, automotive fare meters with semiconductor light-emitting digital tubes (LEDs), large-screen advertisements in shopping malls, stock trading display boards in stock exchanges, electronic scales with fluorescent display devices (VFDs), household appliances, VCDs, large color TVs with newly launched flat panel plasmas (PDPs) for display, and color TVs with CRT displays. All these various displays are providing you with various services, and it is believed that the development of display technology will make greater contributions to mankind in the near future.

[0003] In real life, when assembling the light-emitting component of a liquid crystal display, it is necessary to coat glue on the surface of the lens or the lamp bar holder to realize the mutual adhesion and fixation of the lens and the lamp bar holder. The assembly is not convenient enough, and when the light-emitting component of the liquid crystal display is not easy to disassemble after long-term use. Therefore, a light-emitting component for liquid crystal display is needed to solve the problems existing in the prior art. Content of the Utility Model

[0004] The purpose of the utility model is to provide a light-emitting component for liquid crystal display to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: A light-emitting component for liquid crystal display, including a connecting front frame and a fixed back plate. A liquid crystal display screen is arranged inside the connecting front frame. Connecting grooves are respectively arranged on the outer sides of the bottom ends of the outer surfaces of the connecting front frame and the fixed back plate. An installation middle frame is arranged between the connecting front frame and the fixed back plate, and the front and rear sides of the outer surface of the installation middle frame are slidably connected inside the connecting grooves.

[0006] As a preferred embodiment, organic board insertion holes, upper polarizer insertion holes and lower polarizer insertion holes are formed on the right side of the outer surface of the installation middle frame. The upper polarizer insertion hole and the lower polarizer insertion hole are respectively arranged on the front and rear sides of the organic board insertion hole. Sliding grooves are formed on the upper and lower sides of the inner surface of the installation middle frame, and a fixing groove is formed on the left side of the inner surface of the installation middle frame.

[0007] As a preferred embodiment, a TFT board is slidably connected inside the organic board insertion hole, an upper polarizer is slidably connected inside the upper polarizer insertion hole, and a lower polarizer is slidably connected inside the lower polarizer insertion hole. The upper and lower sides of the outer surfaces of the TFT board, the upper polarizer and the lower polarizer are slidably connected inside the sliding grooves.

[0008] As a preferred embodiment, an installation cavity is formed inside the top end of the fixed back plate. Fixed card frames are fixedly connected to the left and right sides of the bottom end of the inner surface of the installation cavity. The two fixed card frames are in a "C" shape. Three groups of fixed card strips arranged in a rectangular array are fixedly connected between the two fixed card frames. An LED backlight strip is arranged between the two fixed card frames and the three groups of fixed card strips.

[0009] As a preferred embodiment, a number of light-emitting components arranged in a rectangular array are arranged at the top end of the LED backlight strip. The light-emitting components include lenses, light-emitting diodes, clamping rods and fixing buckles.

[0010] As a preferred embodiment, a number of clamping holes arranged in a rectangular array are formed at the top end of the LED backlight strip. The top end of the light-emitting diode is arranged at the center of the bottom end of the lens. The bottom end of the light-emitting diode is electrically connected to the top end of the LED backlight strip. The left and right sides of the bottom end of the lens are fixedly connected to two clamping rods. The bottom ends of the two clamping rods are both fixedly connected to the fixing buckle. The two clamping rods are clamped with the LED backlight strip inside the clamping holes, and the outer top end of the fixing buckle is clamped with the bottom end of the LED backlight strip.

[0011] Compared with the prior art, a light-emitting component for liquid crystal display provided by the present utility model has at least the following beneficial effects:

[0012] (1) In the present utility model, the front connection frame, the fixed back plate and the installation middle frame are mutually clamped, so that the liquid crystal display screen is connected and fixed inside the front connection frame, the TFT board, the upper polarizer and the lower polarizer are respectively slidably connected inside the installation middle frame, and the LED backlight strip is fixed to the fixed back plate at the bottom end of the inner surface of the installation cavity, so that the assembly of the liquid crystal display is more convenient and fast. When disassembly is required for maintenance, it is more orderly, and reinstallation will not be chaotic.

[0013] (2) Through the settings of the fixed card frame and the fixed card strip, the LED backlight strip is clamped and fixed on the inner surface of the fixed backplane through the fixed card frame and the fixed card strip. When the liquid crystal display screen is in use, the LED backlight strip is installed more firmly and will not be displaced, resulting in display problems on the liquid crystal display screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall split structure of the present utility model;

[0015] Figure 2 is a schematic diagram of the structure of the fixed backplane of the present utility model;

[0016] Figure 3 is a schematic top view of the top end of the LED backlight strip of the present utility model;

[0017] Figure 4 is a schematic diagram of the split structure of the LED backlight strip of the present utility model.

[0018] In the figure: 1, connecting front frame; 2, fixed backplane; 3, liquid crystal display screen; 4, connecting card slot; 5, installation middle frame; 6, motherboard insertion hole; 7, upper polarizer insertion hole; 8, lower polarizer insertion hole; 9, sliding groove; 10, fixing groove; 11, TFT motherboard; 12, upper polarizer; 13, lower polarizer; 14, installation cavity; 15, fixed card frame; 16, fixed card strip; 17, LED backlight strip; 18, clamping hole; 19, lens; 20, light emitting diode; 21, clamping rod; 22, fixing buckle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The following further describes the present utility model in conjunction with the embodiments.

[0020] Please refer to Figures 1-4 , the present utility model provides a light-emitting component for liquid crystal display, including a connecting front frame 1 and a fixed backplane 2. A liquid crystal display screen 3 is arranged inside the connecting front frame 1. Connecting card slots 4 are respectively arranged on the outer sides of the bottom ends of the outer surfaces of the connecting front frame 1 and the fixed backplane 2. An installation middle frame 5 is arranged between the connecting front frame 1 and the fixed backplane 2. The front and rear sides of the outer surface of the installation middle frame 5 are slidably connected inside the connecting card slots 4.

[0021] Further as Figure 1 shown, it is specifically noted that a motherboard insertion hole 6, an upper polarizer insertion hole 7 and a lower polarizer insertion hole 8 are arranged on the right side of the outer surface of the installation middle frame 5. The upper polarizer insertion hole 7 and the lower polarizer insertion hole 8 are respectively arranged on the front and rear sides of the motherboard insertion hole 6. Sliding grooves 9 are arranged on the upper and lower sides of the inner surface of the installation middle frame 5, and a fixing groove 10 is arranged on the left side of the inner surface of the installation middle frame 5.

[0022] Further asFigure 1 As shown, it is worth specifically explaining that the TFT board 11 is slidably connected inside the board plug hole 6, the upper polarizer 12 is slidably connected inside the upper polarizer plug hole 7, and the lower polarizer 13 is slidably connected inside the lower polarizer plug hole 8. The upper and lower sides of the outer surfaces of the TFT board 11, the upper polarizer 12 and the lower polarizer 13 are in the internal sliding connection of the slide groove 9. The utility model connects the front frame 1, the fixed back plate 2 and the installation middle frame 5 to each other, so that the liquid crystal display screen 3 is connected and fixed inside the front frame 1, so that the TFT board 11, the upper polarizer 12 and the lower polarizer 13 are respectively slidably connected inside the installation middle frame 5, and the LED backlight strip 17 is fixed to the fixed back plate 2 at the bottom end of the inner surface of the installation cavity 14, so that the liquid crystal display 3 is more convenient and quick when assembled, and more orderly when it needs to be disassembled for maintenance, and there will be no confusion when reinstalling.

[0023] Further as Figure 1 and Figure 2 As shown, it is worth explaining in detail that an installation cavity 14 is opened inside the top of the fixed back plate 2, and fixed card frames 15 are fixedly connected to the left and right sides of the bottom end of the inner surface of the installation cavity 14, and the two fixed card frames 15 are in the shape of a "匚" character, and three groups of fixed card strips 16 in a rectangular array are fixedly connected between the two fixed card frames 15, and an LED backlight strip 17 is arranged between the two fixed card frames 15 and the three groups of fixed card strips 16. The utility model arranges the fixed card frames 15 and the fixed card strips 16 so that the LED backlight strip 17 is fixed on the inner surface of the fixed back plate 2 by the fixed card frames 15 and the fixed card strips 16. When the liquid crystal display screen 3 is in use, the LED backlight strip 17 is installed more firmly and will not be displaced, resulting in display problems on the liquid crystal display screen 3.

[0024] Further as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, it is worth explaining in detail that a plurality of light-emitting components in a rectangular array are arranged at the top of the LED backlight strip 17 , and the light-emitting components include a lens 19 , a light-emitting diode 20 , a clamping rod 21 and a fixing buckle 22 .

[0025] Further as Figure 1 , Figure 2 , Figure 3 and Figure 4As shown in the figure, it is worth specifically explaining that a number of rectangular-arrayed clamping holes 18 are provided at the top of the LED backlight strip 17. The top of the light-emitting diode 20 is arranged at the exact center of the bottom end of the lens 19. The bottom end of the light-emitting diode 20 is electrically connected to the top of the LED backlight strip 17. The left and right sides of the bottom end of the lens 19 are fixedly connected to two clamping rods 21. The bottom ends of the two clamping rods 21 are both fixedly connected to the fixed buckle 22. The two clamping rods 21 are clamped with the LED backlight strip 17 within the clamping holes 18, and the outer top end of the fixed buckle 22 is clamped with the bottom end of the LED backlight strip 17.

[0026] This solution has the following working process: First, slide the TFT motherboard 11, the upper polarizer 12, and the lower polarizer 13 into the motherboard insertion hole 6, the upper polarizer insertion hole 7, and the lower polarizer insertion hole 8, and make the TFT motherboard 11, the upper polarizer 12, and the lower polarizer 13 connected to the installation middle frame 5 through the sliding groove 9 and the fixing groove 10, so that the liquid crystal display screen 3 is fixedly connected inside the connection front frame 1, and make the LED backlight strip 17 clamped inside the fixed card frame 15 and the fixed card strip 16 and connected to the fixed backplane, thereby placing the installation middle frame 5 inside the connection front frame 1 and the fixed backplane 2, and by sliding the installation middle frame 5 into the inside of the connection card slot 4, the connection front frame 1, the fixed backplane 2, and the installation middle frame 5 are clamped with each other. Then, power on to make the light-emitting diode 20 emit light and irradiate through the lens 19, so that the TFT motherboard 11, the upper polarizer 12, and the lower polarizer 13 cooperate with each other to filter the light emitted by the light-emitting diode 20, so that after filtering, a refraction and reflection occur, and finally it is displayed through the liquid crystal display screen.

[0027] According to the above working process, it can be seen that: In this utility model, the connection front frame 1, the fixed backplane 2, and the installation middle frame 5 are clamped with each other, so that the liquid crystal display screen 3 is fixedly connected inside the connection front frame 1, and the TFT motherboard 11, the upper polarizer 12, and the lower polarizer 13 are respectively slidably connected inside the installation middle frame 5, and the LED backlight strip 17 is fixed to the fixed backplane 2 at the bottom end of the inner surface of the installation cavity 14, so that the liquid crystal display 3 is more convenient and fast to assemble. When disassembly is required for maintenance, it is more orderly, and reinstallation will not be chaotic. Through the setting of the fixed card frame 15 and the fixed card strip 16 in this utility model, the LED backlight strip 17 is clamped and fixed to the inner surface of the fixed backplane 2 through the fixed card frame 15 and the fixed card strip 16. When the liquid crystal display screen 3 is in use, the LED backlight strip 17 is installed more firmly and will not be displaced, resulting in display problems on the liquid crystal display screen 3.

[0028] The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments, and what is described in the above embodiments and the specification is only the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A light-emitting component for liquid crystal display, comprising a connecting front frame (1) and a fixed back plate (2), characterized in that: The interior of the front connection frame (1) is provided with a liquid crystal display screen (3). Connection card slots (4) are opened on the outer sides of the bottom ends of the outer surfaces of the front connection frame (1) and the fixed back plate (2). An installation middle frame (5) is arranged between the front connection frame (1) and the fixed back plate (2), and the front and rear sides of the outer surface of the installation middle frame (5) are slidably connected inside the connection card slots (4).

2. The light-emitting component for liquid crystal display according to claim 1, characterized in that: On the right side of the outer surface of the installation middle frame (5), a motherboard insertion hole (6), an upper polarizer insertion hole (7) and a lower polarizer insertion hole (8) are opened. The upper polarizer insertion hole (7) and the lower polarizer insertion hole (8) are respectively arranged on the front and rear sides of the motherboard insertion hole (6). Slide grooves (9) are opened on the upper and lower sides of the inner surface of the installation middle frame (5), and a fixing groove (10) is opened on the left side of the inner surface of the installation middle frame (5).

3. The light-emitting component for liquid crystal display according to claim 2, wherein: A TFT motherboard (11) is slidably connected inside the motherboard insertion hole (6), an upper polarizer (12) is slidably connected inside the upper polarizer insertion hole (7), and a lower polarizer (13) is slidably connected inside the lower polarizer insertion hole (8). The upper and lower sides of the outer surfaces of the TFT motherboard (11), the upper polarizer (12) and the lower polarizer (13) are slidably connected inside the slide grooves (9).

4. A light-emitting component for liquid crystal display according to claim 1, characterized in that: An installation cavity (14) is opened inside the top end of the fixed back plate (2). Fixed card frames (15) are fixedly connected to the left and right sides of the bottom end of the inner surface of the installation cavity (14). The two fixed card frames (15) are in a "C" shape. Three groups of fixed card strips (16) arranged in a rectangular array are fixedly connected between the two fixed card frames (15). An LED backlight strip (17) is arranged between the two fixed card frames (15) and the three groups of fixed card strips (16).

5. The light-emitting component for liquid crystal display according to claim 4, characterized in that: A number of light-emitting components arranged in a rectangular array are provided at the top end of the LED backlight strip (17). The light-emitting components include lenses (19), light-emitting diodes (20), clamping rods (21) and fixing buckles (22).

6. The light-emitting component for liquid crystal display according to claim 5, characterized in that: A number of clamping holes (18) arranged in a rectangular array are opened at the top end of the LED backlight strip (17). The top end of the light-emitting diode (20) is arranged at the center of the bottom end of the lens (19). The bottom end of the light-emitting diode (20) is electrically connected to the top end of the LED backlight strip (17). The left and right sides of the bottom end of the lens (19) are fixedly connected to two clamping rods (21). The bottom ends of the two clamping rods (21) are both fixedly connected to the fixing buckle (22). The two clamping rods (21) are clamped with the LED backlight strip (17) inside the clamping holes (18), and the outer top end of the fixing buckle (22) is clamped with the bottom end of the LED backlight strip (17).

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