CN218123439U - Display panel - Google Patents

Abstract

The application discloses display panel includes: the first substrate comprises a plurality of blue light emitting diodes which are arranged on the first substrate in an array mode and a sealing adhesive layer which covers the blue light emitting diodes; the second substrate comprises a black matrix, a color resistance layer and a quantum dot layer, the black matrix is arranged on the second substrate, the quantum dot layer is arranged on the color resistance layer, the black matrix comprises a plurality of first openings, the first substrate and the second substrate are oppositely arranged, and the color resistance layer is positioned on one side, away from the blue light-emitting diode, of the quantum dot layer; wherein, quantum dot layer includes a plurality of quantum dot blocks, and the look hinders the layer including a plurality of look hinders the piece, and the sealing glue layer is including a plurality of second openings that correspond a plurality of blue light emitting diode, and the quantum dot block corresponds the second opening setting, and the look hinders the piece and corresponds the quantum dot block setting. This application is through setting up the second opening at the adhesive tape layer, and the light that blue light emitting diode sent passes through the second opening and gets into quantum dot piece or look and hinder the piece, has avoided having the problem that light is crosstalked between the adjacent sub-pixel.

Description

Display panel

Technical Field

The application relates to the technical field of display, in particular to a display panel.

Background

Various types of display panels have been widely used in daily life, and Micro light emitting diode (Min LED, micro LED) display panels have been developed, in which Micro LEDs are used as sub-pixels for displaying images, and in which blue LEDs are used in combination with color conversion layers (including quantum dots and color resistors) to display different colors, so as to avoid the problem of different lifetimes of Micro LEDs emitting light of different colors.

However, because a certain gap exists between the blue light emitting diode and the color conversion layer, the light emitting angle of the blue light emitting diode is large, so that the problem of light crosstalk exists between adjacent sub-pixels, and the color gamut is reduced.

SUMMERY OF THE UTILITY MODEL

The application provides a display panel, can solve the blue light emitting diode's that exists among the prior art luminous angle great for there is the problem of light crosstalk between the adjacent sub-pixel, and the problem that the colour gamut that leads to reduces.

The application provides a display panel, including:

the first substrate comprises a first substrate, a plurality of blue light emitting diodes arranged on the first substrate in an array manner, and a sealing adhesive layer which is arranged on the first substrate and covers the plurality of blue light emitting diodes;

the second substrate comprises a second substrate, a black matrix arranged on the second substrate, a color resistance layer and a quantum dot layer arranged on the color resistance layer, the black matrix comprises a plurality of first openings, the color resistance layer fills the first openings, the first substrate and the second substrate are arranged oppositely, and the color resistance layer is positioned on one side, away from the blue light-emitting diode, of the quantum dot layer;

the quantum dot layer comprises a plurality of quantum dot blocks, the color resistance layer comprises a plurality of color resistance blocks, the adhesive sealing layer comprises a plurality of second openings corresponding to the blue light emitting diodes, the quantum dot blocks are arranged corresponding to the second openings, and the color resistance blocks are arranged corresponding to the quantum dot blocks.

In some embodiments, the plurality of quantum dot blocks comprises a red quantum dot block and a green quantum dot block, and the plurality of color-resist blocks comprises a red color-resist block, a green color-resist block, and a blue color-resist block;

the red color resistance block, the red quantum dot block, the corresponding second opening and the corresponding blue light emitting diode are at least partially overlapped;

the green color resistance block, the green quantum dot block, the corresponding second opening and the corresponding blue light-emitting diode are at least partially overlapped;

the blue color block, the corresponding second opening and the corresponding blue light-emitting diode are at least partially arranged in an overlapping mode.

In some embodiments, the sealant layer is black or gray.

In some embodiments, the second opening has the same shape as the corresponding quantum dot block, which has the same shape as the corresponding color resist block, in a plane parallel to the surface of the first substrate.

In some embodiments, an orthographic projection of the second opening on the first substrate covers an orthographic projection of the blue light emitting diode on the first substrate.

In some embodiments, the cross section of the second opening is rectangular, and the width of the first end of the second opening close to the blue light emitting diode is equal to the width of the second end of the second opening far away from the blue light emitting diode.

In some embodiments, the cross section of the opening is an inverted trapezoid, and the width of the second opening near the first end of the blue light emitting diode is smaller than the width of the second opening far from the second end of the blue light emitting diode.

In some embodiments, the cross section of the opening is bowl-shaped, and the width of the second opening near the first end of the blue light emitting diode is smaller than the width of the second opening far away from the second end of the blue light emitting diode.

In some embodiments, the cross section of the opening is arc-shaped or semicircular, and the width of the first end of the second opening close to the blue light emitting diode is smaller than the width of the second end of the second opening far away from the blue light emitting diode.

In some embodiments, one end of the second opening close to the blue light emitting diode contacts the blue light emitting diode, or one end of the second opening close to the blue light emitting diode does not contact the blue light emitting diode.

The application discloses display panel, display panel includes: the first substrate comprises a first substrate, a plurality of blue light emitting diodes arranged on the first substrate in an array manner, and a sealing adhesive layer which is arranged on the first substrate and covers the plurality of blue light emitting diodes; the second substrate comprises a second substrate, a black matrix arranged on the second substrate, a color resistance layer and a quantum dot layer arranged on the color resistance layer, the black matrix comprises a plurality of first openings, the color resistance layer is filled in the first openings, the first substrate and the second substrate are oppositely arranged, and the color resistance layer is positioned on one side, far away from the blue light emitting diode, of the quantum dot layer; wherein, quantum dot layer includes a plurality of quantum dot blocks, and look hinders the layer including a plurality of look hinders the piece, and the sealant layer is including a plurality of second openings that correspond a plurality of blue light emitting diode, and the quantum dot block corresponds the second opening setting, and the look hinders the setting of quantum dot block correspondence quantum dot block. In this application, through setting up the second opening at the adhesive tape layer, blue light emitting diode corresponds the second opening, the quantum dot piece corresponds the second opening setting, the look hinders the setting of quantum dot piece correspondence quantum dot piece, the light that blue light emitting diode sent gets into quantum dot piece or/and look and hinders the piece through the second opening, the second opening has the effect of the passageway of the light that inject blue light emitting diode and send, thereby the light that has avoided blue light emitting diode to send gets into adjacent blue light emitting diode's light-emitting scope, blue light emitting diode's luminous angle has been injectd, the problem that has light crosstalk between the adjacent subpixel has been avoided, thereby the colour gamut has been promoted.

Drawings

The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.

Fig. 1 is a first cross-sectional view of a display panel according to an embodiment of the present disclosure;

fig. 2 is a second cross-sectional view of a display panel according to an embodiment of the present disclosure;

fig. 3 is a third schematic cross-sectional view of a display panel according to an embodiment of the present disclosure;

fig. 4 is a fourth schematic cross-sectional view of a display panel according to a first embodiment of the present disclosure;

fig. 5 is a fifth cross-sectional view of a display panel according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically, electrically or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Further, the present application may repeat reference numerals and/or reference letters in the various examples for simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or arrangements discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize the application of other processes and/or the use of other materials.

Example one

Please refer to fig. 1 to 5; fig. 1 is a first cross-sectional view of a display panel according to an embodiment of the present disclosure; fig. 2 is a second cross-sectional view of a display panel according to an embodiment of the present disclosure; fig. 3 is a third schematic cross-sectional view of a display panel according to an embodiment of the present disclosure; fig. 4 is a fourth schematic cross-sectional view of a display panel according to an embodiment of the present disclosure; fig. 5 is a fifth cross-sectional view of a display panel according to an embodiment of the present disclosure.

The embodiment of the application provides a display panel 100, the display panel 100 includes a first substrate 10 and a second substrate 20, the first substrate 10 includes a first base 11, a plurality of blue light emitting diodes 12 arranged in an array on the first base 11, and an adhesive layer 13 arranged on the first base 11 and covering the plurality of blue light emitting diodes 12; the second substrate 20 comprises a second base 21, a black matrix 22 arranged on the second base 21, a color resistance layer 23 and a quantum dot layer 24 arranged on the color resistance layer 23, the black matrix 22 comprises a plurality of first openings 221, the color resistance layer 23 fills the first openings 221, the first substrate 10 and the second substrate 20 are oppositely arranged, and the color resistance layer 23 is positioned on one side of the quantum dot layer 24 away from the blue light-emitting diode 12; the quantum dot layer 24 includes a plurality of quantum dot blocks 241, the color resist layer 23 includes a plurality of color resist blocks 231, the sealant layer 13 includes a plurality of second openings 131 corresponding to the plurality of blue light emitting diodes 12, the quantum dot blocks 241 are disposed corresponding to the second openings 131, and the color resist blocks 231 are disposed corresponding to the quantum dot blocks 241.

Specifically, the display panel 100 includes a first substrate 10 and a second substrate 20, where the first substrate 10 may include an array substrate and a blue light emitting diode 12 disposed on the array substrate, the array substrate includes a first substrate 11 and a circuit or a trace disposed on the first substrate 11 for driving the blue light emitting diode 12, and a structure of the first substrate 10 is not limited herein. The second substrate 20 may be a color filter substrate.

Specifically, the first substrate 10 includes a first substrate 11, a plurality of blue light emitting diodes 12 arranged on the first substrate 11 in an array manner, and an adhesive layer 13 disposed on the first substrate 11 and covering the plurality of blue light emitting diodes 12. The plurality of blue light emitting diodes 12 are arranged in an array on the first substrate 11, and the sealant layer 13 is filled between the adjacent blue light emitting diodes 12 and covers the blue light emitting diodes 12, that is, the height of the sealant layer 13 on the first substrate 11 is greater than the height of the blue light emitting diodes 12 on the first substrate 11.

Specifically, the second substrate 20 includes a second base 21, a black matrix 22 disposed on the second base 21, a color resist layer 23, and a quantum dot layer 24 disposed on the color resist layer 23, and the black matrix 22 includes a plurality of first openings 221. The second substrate 20 includes a second base 21, and a Black Matrix 22 (BM) disposed on the second base 21, where a material of the Black Matrix 22 may be a Black resin, which is not limited herein. The color resist layer 23 includes a plurality of color resist blocks 231, and the color resist layer 23 fills the corresponding first openings 221. The quantum dot layer 24 is disposed on a side of the color resist layer 23 away from the second substrate 21.

Specifically, the material of the first substrate 11 and the second substrate 21 may be glass, and is not limited herein.

Specifically, the first substrate 10 and the second substrate 20 are disposed opposite to each other, and the blue light emitting diode 12, the sealant 13, the black matrix 22, the color resist layer 23, and the quantum dot layer 24 are located between the first substrate 11 and the second substrate 21.

Specifically, the quantum dot layer 24 includes a plurality of quantum dot blocks 241, the color resist layer includes a plurality of color resist blocks 231, the sealant layer 13 includes a plurality of second openings 131 corresponding to the plurality of blue light emitting diodes 12, the quantum dot blocks 241 are disposed corresponding to the second openings 131, and the color resist blocks 231 are disposed corresponding to the quantum dot blocks 241. That is, the blue light emitting diode 12, the corresponding second opening 131, the corresponding quantum dot block 241, and the corresponding color resistance block 231 are at least partially overlapped, that is, light emitted by a blue light emitting diode 12 passes through the corresponding second opening 131, the corresponding quantum dot block 241, and the corresponding color resistance block 231 in sequence, and then is emitted to the outside of the display panel 100, and then reaches human eyes.

Specifically, it is easily understood that, in the display panel 100, the display side, the light exit side, or the side viewed by the human eye is located on the side of the second substrate 21 away from the first substrate 11.

Specifically, in this embodiment, by setting the second opening 131 in the adhesive layer 13, the blue light emitting diode 12 corresponds to the second opening 131, the quantum dot block 241 corresponds to the second opening 131, the color blocking block 231 corresponds to the quantum dot block 241, light emitted by the blue light emitting diode 12 enters the quantum dot block 241 or/and the color blocking block 231 through the second opening 131, the second opening 131 has an effect of defining a channel of light emitted by the blue light emitting diode 12, thereby preventing the light emitted by the blue light emitting diode 12 from entering a light emitting range of an adjacent blue light emitting diode 12, defining a light emitting/light emitting angle of the blue light emitting diode 12, avoiding a problem of light crosstalk between adjacent sub-pixels, and thereby improving a color gamut.

Example two

This embodiment is the same as or similar to the first embodiment except that the features of the display panel 100 are further defined.

In some embodiments, the plurality of quantum dot blocks 241 includes a red quantum dot block 2411 and a green quantum dot block 2412, and the plurality of color block 231 includes a red color block 2311, a green color block 2312, and a blue color block 2313; the red color resistance block 2311, the red quantum dot block 2411, the corresponding second opening 131 and the corresponding blue light emitting diode 12 are at least partially overlapped; the green color resistance block 2312, the green quantum dot block 2412, the corresponding second opening 131 and the corresponding blue light emitting diode 12 are at least partially overlapped; the blue color block 2313, the corresponding second opening 131 and the corresponding blue led 12 are at least partially overlapped.

Specifically, red quantum dot block 2411 includes red quantum dot material, and green quantum dot block 2412 includes green quantum dot material.

Specifically, the display panel 100 may include red, green, and blue sub-pixels. The red sub-pixel may include or correspond to: a red color block 2311, a red quantum dot block 2411 and a partial blue led 12; the green sub-pixel may include or correspond to: a green color resistance block 2312, a green quantum dot block 2412 and a partial blue light emitting diode 12; the blue sub-pixel may include or correspond to: a blue color block 2313 and a partially blue led 12. I.e., the blue sub-pixels do not include or correspond to a block of blue quantum dots, the display panel 100 or quantum dot layer 24 does not include blue quantum dot material.

Specifically, in the red sub-pixel, the corresponding blue led 12 emits blue light to excite red light at the red quantum dot block 2411, the red light is filtered by the red color block 2311 to obtain blue light, and the pure red light is emitted to display the red color of the image.

Specifically, in the green sub-pixel, the blue led 12 emits blue light to excite green light at the green quantum dot block 2412, the green light is filtered by the green color block 2312 to emit pure green light, and the green light of the image is displayed.

Specifically, in the blue sub-pixel, the corresponding blue led 12 emits blue light, and the blue light is filtered by the blue color block 2313 to generate parasitic light, and the pure blue light is emitted to display blue color of the image.

It should be noted that a scattering block may be disposed on a surface or a side of the blue color block 2313 away from the second substrate 21, the scattering block may include a plurality of scattering particles, and the scattering block may adjust an exit angle of the blue light emitted by the corresponding blue light emitting diode 12.

In some embodiments, the sealant layer 13 is black or gray.

Specifically, the sealant layer 13 is black or gray, which can better prevent or block light crosstalk.

In some embodiments, the shape of the second opening 131 is the same as the shape of the corresponding quantum dot block 241, and the shape of the quantum dot block 241 is the same as the shape of the corresponding color resist block 231, on a plane parallel to the surface of the first substrate 11.

In some embodiments, an orthogonal projection of the second opening 131 on the first substrate 11 covers an orthogonal projection of the blue light emitting diode 12 on the first substrate 11.

EXAMPLE III

The present embodiment is the same as or similar to the display panel 100 of any of the embodiments described above, except that the features of the display panel 100 are further defined.

In some embodiments, as shown in fig. 1, the cross section of the second opening 131 is rectangular, and the width of the first end 1311 of the second opening 131 close to the blue led 12 is equal to the width of the second end 1312 of the second opening 131 far from the blue led 12.

In some embodiments, as shown in fig. 2, the cross section of the second opening 131 is an inverted trapezoid, and the width of the second opening 131 near the first end 1311 of the blue led 12 is smaller than the width of the second opening 131 far from the second end 1312 of the blue led 12.

In some embodiments, as shown in fig. 3 and 4, the cross section of the second opening 131 is bowl-shaped, and the width of the first end 1311 of the second opening 131 close to the blue led 12 is smaller than the width of the second end 1312 of the second opening 131 far from the blue led 12.

In some embodiments, as shown in fig. 5, the cross section of the second opening 131 is arc-shaped or semicircular, and the width of the first end 1311 of the second opening 131 close to the blue led 12 is smaller than the width of the second end 1312 of the second opening 131 far from the blue led 12.

In some embodiments, the first end 1311 of the second opening 131 near the blue light emitting diode 12 contacts the blue light emitting diode 12, or the first end 1311 of the second opening 131 near the blue light emitting diode 12 does not contact the blue light emitting diode 12.

Specifically, it should be noted that, in the display panel 100, the second opening 131 may be selected to have a suitable shape according to actual requirements, such as the viewing angle requirements of the user, but it is required to satisfy: the width of the second opening 131 near the first end 1311 of the blue led 12 is less than or equal to the width of the second opening 131 far from the second end 1312 of the blue led 12.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The display panel provided in the embodiment of the present application is described in detail above, and the principle and the embodiment of the present application are explained by applying a specific example herein, and the description of the above embodiment is only used to help understand the technical solution and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.

Claims (10)

1. A display panel, comprising:

the first substrate comprises a first substrate, a plurality of blue light emitting diodes arranged on the first substrate in an array manner, and a sealing adhesive layer which is arranged on the first substrate and covers the plurality of blue light emitting diodes;

the second substrate comprises a second substrate, a black matrix arranged on the second substrate, a color resistance layer and a quantum dot layer arranged on the color resistance layer, wherein the black matrix comprises a plurality of first openings, and the color resistance layer fills the first openings;

the first substrate and the second substrate are arranged oppositely, the color resistance layer is located on one side, away from the blue light emitting diode, of the quantum dot layer, the quantum dot layer comprises a plurality of quantum dot blocks, the color resistance layer comprises a plurality of color resistance blocks, the adhesive sealing layer comprises a plurality of second openings corresponding to the blue light emitting diode, the quantum dot blocks correspond to the second openings, and the color resistance blocks correspond to the quantum dot blocks.

2. The display panel of claim 1, wherein the plurality of quantum dot blocks includes a red quantum dot block and a green quantum dot block, and the plurality of color-resist blocks includes a red color-resist block, a green color-resist block, and a blue color-resist block;

the red color block, the red quantum dot block, the corresponding second opening and the corresponding blue light-emitting diode are at least partially overlapped;

the green color resistance block, the green quantum dot block, the corresponding second opening and the corresponding blue light-emitting diode are at least partially overlapped;

the blue color block, the corresponding second opening and the corresponding blue light emitting diode are at least partially overlapped.

3. The display panel of claim 1, wherein the sealant layer is black or gray.

4. The display panel of claim 1, wherein the second opening has the same shape as the corresponding quantum dot block, which has the same shape as the corresponding color resist block, in a plane parallel to the surface of the first substrate.

5. The display panel of claim 1, wherein an orthographic projection of the second opening on the first substrate covers an orthographic projection of the blue light emitting diode on the first substrate.

6. The display panel according to any one of claims 1 to 5, wherein the second opening has a rectangular cross section, and a width of the second opening near a first end of the blue light emitting diode is equal to a width of the second opening at a second end thereof distant from the blue light emitting diode.

7. The display panel according to any one of claims 1 to 5, wherein the opening has an inverted trapezoidal cross section, and a width of the second opening near a first end of the blue light emitting diode is smaller than a width of the second opening far from a second end of the blue light emitting diode.

8. The display panel according to any one of claims 1 to 5, wherein the opening has a bowl-shaped cross section, and a width of the second opening near a first end of the blue light emitting diode is smaller than a width of the second opening far from a second end of the blue light emitting diode.

9. The display panel according to any one of claims 1 to 5, wherein the opening has an arc or a semicircular cross section, and a width of the second opening near a first end of the blue light emitting diode is smaller than a width of the second opening far from a second end of the blue light emitting diode.

10. The display panel according to any one of claims 1 to 5, wherein the first end of the second opening near the blue light-emitting diode contacts the blue light-emitting diode, or the first end of the second opening near the blue light-emitting diode does not contact the blue light-emitting diode.

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