LED display device and LED display panel

Abstract

The utility model discloses an LED display device and an LED display panel, the LED display device comprises (2m-1) * (2n-1) colloid units, the colloid units are arranged in a rectangular array, the colloid units comprise m * n pixel colloid units and (3mn-2m-2n + 1) blank colloid units, m is a positive integer, and n is a positive integer; any pixel colloid unit is provided with a group of pixel units, and the pixel units are located in the colloid centers of the corresponding pixel colloid units; and a colloid separation groove is formed between any two adjacent colloid units. According to the multi-pixel integrated LED display device, the problem of light crosstalk among pixels of the multi-pixel integrated LED display device is solved, the light emitting color consistency and blank screen appearance consistency of the LED display device are effectively improved, and the display performance of the LED display device is optimized.

Description

Technical Field

[0001] The utility model relates to the technical field of LED devices, and in particular to an LED display device and an LED display panel. Background Art

[0002] In traditional multi-pixel integrated LED devices, in order to prevent cross-lighting between pixels, encapsulation glue is generally used for packaging, and pixel division grooves are made between adjacent pixels to form a gel separation groove for isolation. Figure 1 As shown, in traditional 2*2 pixel integrated LED display devices, two horizontal and vertical cutters are usually used to divide pixels into grooves. However, since the groove width is inconsistent with the patch spacing, the pixel center of the pixel unit is not at the center of the corresponding colloid unit. The light emitted by the same pixel unit passes through the colloid in different directions. The distance, resulting in inconsistent light output angles in different directions, poor consistency in light color and black screen appearance consistency. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art. The utility model provides an LED display device and an LED display panel, which solves the problem of light crosstalk between pixels of a multi-pixel integrated LED display device, effectively improves the color consistency of light emitted by the LED display device and the consistency of the black screen appearance, and optimizes the display performance of the LED display device.

[0004] The utility model provides an LED display device, the LED display device comprises (2m-1)*(2n-1) colloid units, the colloid units are arranged in a rectangular array, the colloid units comprise m*n pixel colloid units and (3mn-2m-2n+1) blank colloid units, m is a positive integer, and n is a positive integer;

[0005] A group of pixel units is arranged on any pixel colloid unit, and the pixel units are located at the colloid center of the corresponding pixel colloid unit;

[0006] A colloid separation groove is arranged between any two adjacent colloid units.

[0007] Further, when m is an odd number, in the m-th row of colloidal units, the pixel colloidal units and the blank colloidal units are arranged alternately.

[0008] Furthermore, when n is an odd number, in the nth column of colloidal units, the pixel colloidal units and the blank colloidal units are arranged alternately.

[0009] Furthermore, when m is an even number, all the colloid units in the mth row are blank colloid units.

[0010] Furthermore, when n is an even number, all the colloid units in the nth column are blank colloid units.

[0011] Furthermore, the depth of the colloid separation groove is 0.05 mm-0.4 mm.

[0012] Furthermore, the width of the colloid separation groove is 0.08 mm-0.4 mm.

[0013] Furthermore, the sizes of any two colloidal units are the same.

[0014] Furthermore, any group of pixel units includes a red LED chip, a green LED chip, and a blue LED chip.

[0015] The utility model also provides an LED display panel, which comprises the above-mentioned LED display device.

[0016] The utility model provides an LED display device and an LED display panel, which prevent cross-light phenomenon by dividing and grooving adjacent pixel units, setting pixel colloid units and blank colloid units, and setting the pixel units at the colloid center of the corresponding pixel colloid units, so that the light emitted by the same pixel unit passes through the colloid in different directions The distance is the same, effectively improving the consistency of the light color of the LED display device and the consistency of the black screen appearance, and optimizing the display performance of the LED display device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a schematic diagram of a split slot structure of a 2*2 pixel integrated LED display device in the prior art;

[0019] Figure 2 This is a schematic diagram of the split groove structure of the 2*2 pixel integrated LED display device in the first embodiment of the utility model;

[0020] Figure 3 It is a schematic diagram of the split groove cross-sectional structure of the 2*2 pixel integrated LED display device in the first embodiment of the utility model. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] Embodiment 1 of the present invention provides an LED display device, which includes (2m-1)*(2n-1) colloid units, which are arranged in a rectangular array, and include m*n pixel colloid units and (3mn-2m-2n+1) blank colloid units, where m is a positive integer and n is a positive integer; a group of pixel units is arranged on any pixel colloid unit, and the pixel unit is located at the colloid center of the corresponding pixel colloid unit; a colloid separation groove is arranged between any two adjacent colloid units.

[0024] In an optional implementation of this embodiment, when m=2 and n=2, the LED display device includes 3*3 colloid units arranged in a rectangular array, and the colloid units include 2*2 pixel colloid units and 5 blank colloid units.

[0025] Specifically, Figure 2 As shown, Figure 2 A schematic diagram of the segmented groove structure of a 2*2 pixel integrated LED display device in the first embodiment of the utility model is shown, wherein the colloid unit includes 4 pixel colloid units 1 and 5 blank colloid units 2 .

[0026] In an optional implementation of this embodiment, Figure 2 As shown, among the 3*3 colloid units of the LED display device, the four pixel colloid units 1 occupy the positions (1,1), (3,1), (1,3), and (3,3) respectively, and the five blank colloid units 2 occupy the positions (1,2), (2,1), (2,2), (2,3), and (3,2) respectively.

[0027] In an optional implementation of this embodiment, when m is an odd number, in the mth row of colloidal units, the pixel colloidal units 1 and the blank colloidal units 2 are alternately arranged.

[0028] Specifically, in Figure 2 In the first row of colloidal units of the LED display device, the pixel colloidal units 1 and the blank colloidal units 2 are arranged alternately, wherein the pixel colloidal units 1 occupy the positions (1,1) and (1,3), and the blank colloidal units 2 occupy the position (1,2).

[0029] More in Figure 2 In the 3rd row of colloidal units of the LED display device, the pixel colloidal units 1 and the blank colloidal units 2 are arranged alternately, wherein the pixel colloidal units 1 occupy the positions (3,1) and (3,3), and the blank colloidal units 2 occupy the position (3,2).

[0030] In an optional implementation of this embodiment, when n is an odd number, in the nth column of colloidal units, the pixel colloidal units 1 and the blank colloidal units 2 are arranged alternately.

[0031] Specifically, in Figure 2 In the first column of colloidal units of the LED display device, the pixel colloidal units 1 and the blank colloidal units 2 are arranged alternately, wherein the pixel colloidal units 1 occupy the positions (1, 1) and (3, 1), and the blank colloidal units 2 occupy the position (2, 1).

[0032] More in Figure 2 In the third column of colloidal units of the LED display device, the pixel colloidal units 1 and the blank colloidal units 2 are alternately arranged, wherein the pixel colloidal units 1 occupy the positions (1, 3) and (3, 3), and the blank colloidal units 2 occupy the position (2, 3).

[0033] In an optional implementation of this embodiment, when m is an even number, all the colloid units in the mth row are blank colloid units.

[0034] Specifically, in Figure 2 In the 2nd row of colloid units of the LED display device, the blank colloid unit 2 completely occupies the entire 2nd row of colloid units.

[0035] In an optional implementation of this embodiment, when n is an even number, all the colloid units in the nth column are blank colloid units.

[0036] Specifically, in this Figure 2 In the second column of colloid units of the LED display device, the blank colloid unit 2 completely occupies the entire second column of colloid units.

[0037] In an optional implementation of this embodiment, a group of pixel units is disposed on any pixel colloid unit, and the pixel units are located at the colloid center of the corresponding pixel colloid unit.

[0038] Specifically, Figure 2 As shown, Figure 2 A group of pixel units 3 is disposed on any pixel colloid unit 1 , and the pixel units 3 are located at the colloid center of the corresponding pixel colloid unit 1 .

[0039] Specifically, the pixel unit 3 is located at the colloid center of the corresponding pixel colloid unit 1 , which means that the pixel center of the pixel unit 3 is located at the colloid center of the corresponding pixel colloid unit 1 .

[0040] In an optional implementation of this embodiment, a colloid separation groove is provided between any two adjacent colloid units.

[0041] Specifically, in the colloid units in the same row, a vertical colloid separation groove is provided between any two adjacent colloid units.

[0042] Furthermore, in the colloid units in the same column, a transverse colloid separation groove is arranged between any two adjacent colloid units.

[0043] It should be noted that any of the vertical colloid separation grooves and any of the transverse colloid separation grooves are perpendicular to each other.

[0044] In an optional implementation of this embodiment, the number of the vertical colloid separation grooves A=(n-1)*2.

[0045] Specifically, in this embodiment, the number of the vertical colloid separation grooves A=(2-1)*2=2.

[0046] In an optional implementation of this embodiment, the number of the transverse colloid separation grooves B=(m-1)*2.

[0047] Specifically, in this embodiment, the number of the transverse colloid separation grooves B=(2-1)*2=2.

[0048] In an optional implementation of this embodiment, any two colloid units have the same size.

[0049] Specifically, any two pixel colloidal units have the same size, any two blank colloidal units have the same size, and any pixel colloidal unit has the same size as any blank colloidal unit.

[0050] In an optional implementation of this embodiment, the width D of the colloid separation groove is 0.08 mm-0.4 mm.

[0051] Specifically, the width D of the colloid separation groove may be a value among 0.08 mm, 0.2 mm, 0.4 mm, etc., which is determined according to actual needs.

[0052] In an optional implementation of this embodiment, Figure 2 As shown, the dot pitch of the LED display device, that is, the distance between any two adjacent pixel centers is P, the width of any colloid separation groove is D, and the side length of any colloid unit is L, L = (P-2*D) / 2.

[0053] Specifically, Figure 2 As shown, Figure 2 The LED display device in the figure is a 2*2 pixel integrated LED display device, the dot pitch P=3 mm, the colloid separation groove width D=0.2 mm, and the colloid unit side length L=(3-2*0.2) / 2=1.3 mm.

[0054] In an optional implementation of this embodiment, the first side length of the LED display device is L′, the second side length is “″, L′=(2m-1)*L+(m-1)*2*D, L″=(2n-1)*L+(n-1)*2*D.

[0055] Specifically, Figure 2 As shown, Figure 2 The LED display device in is a 2*2 pixel integrated LED display device, then the first side length L′=(2*2-1)*1.3+(2-1)*2*0.2=4.3 mm, and the second side length L″=(2*2-1)*1.3+(2-1)*2*0.2=4.3 mm.

[0056] In an optional implementation of this embodiment, Figure 3 As shown, Figure 3 The schematic diagram of the split groove cross-sectional structure of the 2*2 pixel integrated LED display device in the first embodiment of the utility model is shown.

[0057] In an optional implementation of this embodiment, the depth H of the colloid separation groove is 0.05 mm-0.4 mm.

[0058] Specifically, the depth H of the colloid separation groove may be a value among 0.05 mm, 0.1 mm, 0.2 mm, 0.4 mm, etc., which is determined according to actual needs.

[0059] In an optional implementation of this embodiment, any group of pixel units includes a red LED chip, a green LED chip, and a blue LED chip.

[0060] In summary, the embodiment of the utility model proposes an LED display device, which prevents cross-light phenomenon by dividing and grooving between adjacent pixel units, sets pixel colloid units and blank colloid units, and sets the pixel units at the colloid center of the corresponding pixel colloid units, so that the light emitted by the same pixel unit passes the same distance through the colloid in different directions, effectively improving the color consistency of the light emitted by the LED display device and the consistency of the black screen appearance, and optimizing the display performance of the LED display device.

[0061] Embodiment 2

[0062] The second embodiment of the present invention provides an LED display panel, and the LED display panel includes the LED display device in the first embodiment.

[0063] In summary, the second embodiment of the utility model provides an LED display panel, which includes the LED display device in the first embodiment, and prevents cross-light phenomenon by dividing and grooving between adjacent pixel units, and sets pixel colloid units and blank colloid units, and sets the pixel units at the colloid center of the corresponding pixel colloid units, so that the light emitted by the same pixel unit passes through the colloid for the same distance in different directions, effectively improving the color consistency of the light emitted by the LED display device and the consistency of the black screen appearance, and optimizing the display performance of the LED display device.

[0064] The above is a detailed introduction to an LED display device and an LED display panel provided by an embodiment of the utility model. Specific examples are used in this article to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model; at the same time, for general technical personnel in this field, according to the idea of ​​the utility model, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the utility model.

Claims

1. An LED display device, characterized in that: The LED display device includes (2m-1)*(2n-1) colloid units, the colloid units are arranged in a rectangular array, the colloid units include m*n pixel colloid units and (3mn-2m-2n+1) blank colloid units, m is a positive integer, and n is a positive integer; A group of pixel units is arranged on any pixel colloid unit, and the pixel units are located at the colloid center of the corresponding pixel colloid unit; A colloid separation groove is arranged between any two adjacent colloid units.

2. The LED display device according to claim 1, characterized in that: When m is an odd number, in the mth row of colloidal units, the pixel colloidal units and the blank colloidal units are arranged alternately.

3. The LED display device according to claim 1, characterized in that: When n is an odd number, in the nth column of colloidal units, the pixel colloidal units and the blank colloidal units are arranged alternately.

4. The LED display device according to claim 1, characterized in that: When m is an even number, all the colloid units in the mth row are blank colloid units.

5. The LED display device according to claim 1, characterized in that: When n is an even number, all the colloid units in the nth column are blank colloid units.

6. The LED display device according to claim 1, characterized in that: The depth of the colloid separation groove is 0.05mm-0.4mm.

7. The LED display device according to claim 1, characterized in that: The width of the colloid separation groove is 0.08mm-0.4mm.

8. The LED display device according to claim 1, characterized in that: Any two colloid units have the same size.

9. The LED display device according to claim 1, characterized in that: Any group of pixel units includes a red LED chip, a green LED chip, and a blue LED chip.

10. An LED display panel, characterized in that: The LED display panel comprises the LED display device according to any one of claims 1-9.

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