Liquid crystal module and display module comprising same

Abstract

The utility model provides a liquid crystal module and a display module containing the liquid crystal module, the liquid crystal module comprises a liquid crystal assembly and a light area arranged in the liquid crystal assembly, the light area comprises a separating layer and a plurality of fluorescent powder layers arranged at intervals according to an array, the separating layer is arranged between two adjacent fluorescent powder layers, and the fluorescent powder layers are arranged on the separating layer. The fluorescent powder layer is used for changing the color of light emitted by the LED lamp beads, and the color of the light emitted by the LED lamp beads cannot be changed after penetrating through the spacing layer.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid crystal display technical field, especially a kind of liquid crystal module and the display module containing the liquid crystal module. BACKGROUND

[0002] Display module, simply speaking, it is the combination of screen and backlight assembly, and its principle is to emit uniform surface light through backlight assembly, and the light is transmitted to our eyes through display screen.The function of screen is to process these lights by pixel to display image.

[0003] In prior art, the LED lamp bead on the backlight assembly in the existing display module is coated with blue phosphor layer, red phosphor layer and green phosphor layer, and the light of LED lamp bead transmits through blue phosphor layer, red phosphor layer, green phosphor layer and three-color filter to show the image, but the three-color filter in liquid crystal module reduces the overall transmittance and light utilization of liquid crystal module, resulting in low overall brightness of display module, increases the coordinate error of overall white light of liquid crystal module, and the position of lamp bead in the existing display module cannot be adjusted, which often has the problem of uneven brightness distribution. SUMMARY

[0004] Therefore, the utility model aims at providing a kind of liquid crystal module and the display module containing the liquid crystal module, which can effectively solve the above-mentioned deficiencies in prior art.

[0005] A kind of liquid crystal module, including liquid crystal component and the light area arranged in the liquid crystal component, the light area includes several fluorescent powder layers spaced apart in array, and the space layer is arranged between the adjacent two fluorescent powder layers, and the fluorescent powder layer is used to change the color of light emitted by LED lamp bead, and the light emitted by LED lamp bead will not change color through the space layer.

[0006] Further, the liquid crystal component includes reflective film, light guide plate, transmission film, light enhancement film, first polaroid, first glass substrate, liquid crystal, second glass substrate and second polaroid arranged in sequence from bottom to top, and the light area is arranged between the second glass substrate and the liquid crystal.

[0007] Further, the cross-sectional area ratio of the second glass substrate to the fluorescent powder layer and the space layer is 6:5:1.

[0008] Further, the fluorescent powder layer includes red light region and green light region arranged in sequence and spaced apart, the red light region emits red light under the excitation of light emitted by LED lamp bead, and the green light region emits green light under the excitation of light emitted by LED lamp bead.

[0009] Further, the cross-sectional area of the second glass substrate and the overall cross-sectional area of the red light region and the overall cross-sectional area of the green light region and the cross-sectional area of the empty layer are in a ratio of 6:2:3:1.

[0010] In another aspect, the utility model provides a display module, including above-mentioned liquid crystal module and the backlight assembly of setting at the bottom of liquid crystal module.

[0011] Further, the backlight assembly includes a back plate and a plurality of PCB boards movably arranged on the back plate, the length of the PCB board is less than the width of the back plate, and a plurality of LED lamp beads are arranged on the PCB board.

[0012] Further, a positioning member for adjusting and fixing the position of the PCB board is slidably arranged on the back plate, and the positioning member is slidably arranged on both sides of the PCB board.

[0013] Further, a first heat dissipation hole is arranged on the outer side of the back plate, and a second heat dissipation hole is arranged at the center of the back plate.

[0014] Compared with the prior art, the utility model has the beneficial effects that by removing the three-color filter in the liquid crystal module, by removing the blue fluorescent powder layer, the red fluorescent powder layer and the green fluorescent powder layer coated on the LED lamp bead, by arranging the light area, the plurality of fluorescent powder layers arranged in the light area at intervals are excited to emit light of different colors by the light emitted by the LED lamp, the empty layer in the light area directly emits light by the LED lamp bead, the three-color filter reduces the overall light transmittance and light utilization rate of the liquid crystal module, and the overall brightness of the liquid crystal module is increased. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure schematic diagram of liquid crystal module in the utility model embodiment;

[0016] Figure 2 It is the overall structure schematic diagram of light area in the utility model embodiment;

[0017] Figure 3 It is the overall structure schematic diagram of backlight assembly in the utility model embodiment;

[0018] Explanation of main element symbols:

[0019]

[0020]

[0021] The following specific embodiments will further illustrate the utility model in conjunction with the above drawings. DETAILED DESCRIPTION

[0022] For the purpose of facilitating the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The drawings show several embodiments of the present application. However, the present application can be realized 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 application more thorough and comprehensive.

[0023] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein only for the purpose of describing specific embodiments and is not intended to limit the present application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0025] Please refer to Figures 1 to 2 The liquid crystal module in the embodiment of the present application comprises a liquid crystal assembly and a light area 10 arranged in the liquid crystal assembly. The liquid crystal assembly comprises, from bottom to top, a reflecting film 3, a light guide plate 4, a transmitting film 5, a light enhancing film 6, a first polaroid 7, a first glass substrate 8, a liquid crystal 9, a second glass substrate 11, and a second polaroid 12. The light area 10 is arranged between the second glass substrate 11 and the liquid crystal 9. The light area 10 comprises a hollow layer 14 and a plurality of phosphor layers 13 arranged in an array. The hollow layer 14 is arranged between two adjacent phosphor layers 13. The phosphor layer 13 is used to change the color of light emitted by the LED lamp bead. The light emitted by the LED lamp bead will not change color when it passes through the hollow layer 14.

[0026] It can be understood that by removing the three-color filter in the liquid crystal module, by removing the blue phosphor layer, the red phosphor layer, and the green phosphor layer coated on the LED lamp bead, and by arranging the light area 10 between the second glass substrate 11 and the liquid crystal 9, a plurality of phosphor layers 13 arranged in an array in the light area 10 are used to emit light of different colors by using the light emitted by the LED lamp. The hollow layer in the light area directly emits light by using the LED lamp bead, avoiding the three-color filter reducing the overall light transmittance and light utilization rate of the liquid crystal module, thereby increasing the overall brightness of the liquid crystal module.

[0027] Further, the cross-sectional area ratio of the second glass substrate 11, the phosphor layer 13 and the empty layer 14 is 6:5:1.

[0028] Further, the phosphor layer 13 comprises a red light region 131 and a green light region 132 arranged in sequence, the red light region 131 emits red light under the excitation of light emitted by the LED lamp bead, and the green light region 132 emits green light under the excitation of light emitted by the LED lamp bead.

[0029] Further, the cross-sectional area ratio of the second glass substrate, the red light region, the green light region and the empty layer is 6:2:3:1.

[0030] It can be understood that, by setting the cross-sectional area ratio of the red light region 131, the green light region 132 and the empty layer region 14 to 2:3:1, the cross-sectional area of the red light region 131 and the green light region 132 is larger than that of the empty layer, thereby compensating for the brightness difference of the three colors and making the white light color coordinate correct.

[0031] Please refer to Figure 3 The display module in the embodiment of the utility model, including above-mentioned liquid crystal module and setting back light component 20 of liquid crystal module bottom.

[0032] Further, the back light component 20 includes back plate 21 and several PCB boards 22 movably arranged on the back plate 21, the length of the PCB board 22 is less than the width of the back plate 21, and several LED lamp beads 23 are arranged on the PCB board 22.

[0033] Further, the positioning member 24 for adjusting and fixing the position of the PCB board 22 is slidably arranged on the back plate 21, and the positioning member 24 is slidably arranged on both sides of the PCB board 22.

[0034] Further, the first heat dissipation hole 26 is arranged on the outside of the back plate 21, and the second heat dissipation hole 25 is arranged in the center of the back plate 21.

[0035] It can be understood that, by slidably arranging the positioning member 24 for adjusting and fixing the position of the PCB board 22 on the back plate 21, the position of the PCB board 22 can be continuously adjusted during installation, and the position of the LED lamp bead 23 arranged on the PCB board 22 can move with the PCB board 22, so that the LED lamp bead 23 is away from the test point with too high brightness or close to the test point with too low brightness, thereby the brightness uniformity ratio of the display module can be adjusted as required, and the PCB board 22 is fixed after adjustment. It can be understood that, by slidably arranging the positioning member 24 for adjusting and fixing the position of the PCB board 22 on the back plate 21, the position of the PCB board 22 can be continuously adjusted during installation, and the position of the LED lamp bead 23 arranged on the PCB board 22 can move with the PCB board 22, so that the LED lamp bead 23 is away from the test point with too high brightness or close to the test point with too low brightness, thereby the brightness uniformity ratio of the display module can be adjusted as required, and the PCB board 22 is fixed after adjustment. It can be understood that, by slidably arranging the positioning member 24 for adjusting and fixing the position of the PCB board 22 on the back plate 21, the position of the PCB board 22 can be continuously adjusted during installation, and the position of the LED lamp bead 23 arranged on the PCB board 22 can move with the PCB board 22, so that the LED lamp bead 23 is away from the test point with too high brightness or close to the test point with too low brightness, thereby the brightness uniformity ratio of the display module can be adjusted as required, and the PCB board 22 is fixed after adjustment. It can be understood that, by slidably arranging the positioning member 24 for adjusting and fixing the position of the PCB board 22 on the back plate 21, the position of the PCB board 22 can be continuously adjusted during installation, and the position of the LED lamp bead 23 arranged on the PCB board 22 can move with the PCB board 22, so that the LED lamp bead 23 is away from the test point with too high brightness or close to the test point with too low brightness, thereby the brightness uniformity ratio of the display module can be adjusted as required, and the PCB board 22 is fixed after adjustment.

[0036] In summary, the liquid crystal module and the display module containing the liquid crystal module in the above embodiments of the present application remove the three-color filter in the liquid crystal module, remove the blue fluorescent powder layer, the red fluorescent powder layer and the green fluorescent powder layer coated on the LED lamp bead, and set the light area, so that the plurality of fluorescent powder layers arranged in an array in the light area emit light of different colors by using the light emitted by the LED lamp, and the hollow layer in the light area directly emits light by using the LED lamp bead, thereby avoiding the three-color filter from reducing the overall light transmittance and light utilization of the liquid crystal module, and further increasing the overall brightness of the liquid crystal module.

[0037] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0038] The above embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the patent of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are all within the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A liquid crystal module, characterized by comprising: The liquid crystal module comprises a liquid crystal assembly and a light area arranged in the liquid crystal assembly, the light area comprises a space layer and a plurality of phosphor layers arranged in an array, the space layer is arranged between two adjacent phosphor layers, the phosphor layers are used for changing the color of light emitted by an LED lamp bead, and the color of light emitted by the LED lamp bead will not change when the light transmits through the space layer.

2. The liquid crystal module according to claim 1, characterized by The liquid crystal assembly comprises, from bottom to top, a reflective film, a light guide plate, a transmission film, a light enhancement film, a first polaroid, a first glass substrate, liquid crystal, a second glass substrate, and a second polaroid, and the light area is arranged between the second glass substrate and the liquid crystal.

3. The liquid crystal module according to claim 2, characterized by The cross-sectional area ratio of the second glass substrate, the phosphor layer, and the space layer is 6:5:

1.

4. The liquid crystal module according to claim 3, characterized by The phosphor layer comprises a red light area and a green light area arranged in sequence, the red light area emits red light under excitation of light emitted by an LED lamp bead, and the green light area emits green light under excitation of light emitted by the LED lamp bead.

5. The liquid crystal module of claim 4, wherein, The cross-sectional area ratio of the second glass substrate, the red light area, the green light area, and the space layer is 6:2:3:

1.

6. A display module, characterized by The liquid crystal module comprises a liquid crystal module and a backlight assembly arranged at the bottom of the liquid crystal module.

7. The display module of claim 6, wherein, The backlight assembly comprises a back plate and a plurality of PCB boards movably arranged on the back plate, the length of the PCB board is less than the width of the back plate, and a plurality of LED lamp beads are arranged on the PCB board.

8. The display module of claim 7, wherein, Positioning members for adjusting and fixing the position of the PCB board are slidably arranged on the back plate, and the positioning members are slidably arranged on both sides of the PCB board.

9. The display module of claim 8, wherein, A first heat dissipation hole is arranged on the outer side of the back plate, and a second heat dissipation hole is arranged at the center of the back plate.

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