WO2022206379A1

WO2022206379A1 - Light-emitting module, display module, display screen, and display

Info

Publication number: WO2022206379A1
Application number: PCT/CN2022/081061
Authority: WO
Inventors: 刁鸿浩
Original assignee: 北京芯海视界三维科技有限公司; 视觉技术创投私人有限公司
Priority date: 2021-03-30
Filing date: 2022-03-16
Publication date: 2022-10-06
Also published as: CN112802950A; TWI802322B; TW202240938A

Abstract

The present application relates to the technical field of optics, and disclosed therein is a light-emitting module comprising: a light conversion layer, which comprises a plurality of pixels; the pixels comprise a plurality of composite sub-pixels, the composite sub-pixels comprising a plurality of sub-pixels of the same color; a first isolation structure is disposed between two adjacent composite sub-pixels in the plurality of composite sub-pixels; and a second isolation structure is disposed between two adjacent sub-pixels in the plurality of sub-pixels. In the light-emitting module provided in the present application, by means of a first isolation structure and a second isolation structure, light emitted by a light conversion layer can be prevented as much as possible from being transmitted in an undesired direction, for example, a portion of the light emitted by a certain composite sub-pixel is prevented as much as possible from entering another adjacent composite sub-pixel; alternatively, a portion of the light emitted by a certain sub-pixel is prevented as much as possible from entering another adjacent sub-pixel, which is beneficial for improving the display effect. The present application also discloses a display module, a display screen, and a display.

Description

Lighting modules, display modules, display screens and displays

This application claims the priority of the Chinese patent application with the application number 202110337167.7 and the invention name "light emitting module, display module, display screen and display" submitted to the China Intellectual Property Office on March 30, 2021, the entire content of which is approved by Reference is incorporated in this application.

technical field

The present application relates to the field of optical technology, such as light emitting modules, display modules, display screens and displays.

Background technique

At present, in the field of optics, light conversion layers are usually used for color display.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

A part of the light emitted by the light conversion layer will be conducted in an undesired direction, and the light conducted in the undesired direction will affect the display effect.

SUMMARY OF THE INVENTION

In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. This summary is not intended to be an extensive review, nor to identify key/critical elements or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

Embodiments of the present disclosure provide a light emitting module, a display module, a display screen and a display to solve the technical problem that a part of the light emitted by the light conversion layer is conducted in an undesired direction, which affects the display effect.

Embodiments of the present disclosure provide a light-emitting module, including:

a light conversion layer, including a plurality of pixels;

Wherein, the pixel includes a plurality of composite sub-pixels, and the composite sub-pixel includes a plurality of sub-pixels with the same color;

A first isolation structure is provided between two adjacent composite sub-pixels in the plurality of composite sub-pixels;

A second isolation structure is disposed between two adjacent sub-pixels in the plurality of sub-pixels.

In some embodiments, the first isolation structure may be disposed in part or all of the area between two adjacent composite sub-pixels.

In some embodiments, a first spacer region may exist between two adjacent composite sub-pixels, and part or all of the first spacer region may be provided with a first isolation structure.

In some embodiments, the first isolation structure may include at least one of a light isolation structure and a light transmission structure.

In some embodiments, the optical isolation structure may include an optical isolation material.

In some embodiments, the light transmissive structure may comprise a light transmissive material.

In some embodiments, the second isolation structure may be disposed in part or all of the area between two adjacent sub-pixels.

In some embodiments, a second spacer area may exist between two adjacent sub-pixels, and part or all of the second spacer area may be provided with a second isolation structure.

In some embodiments, the second isolation structure may include an optical isolation body.

In some embodiments, the light-isolating body may comprise a light-isolating material.

In some embodiments, the second isolation structure may be provided with a first spacer structure, and the first spacer structure may be provided between the optical isolation body and the sub-pixels to be isolated.

In some embodiments, the first spacer structure may be disposed between the optical isolation body and at least one of two adjacent sub-pixels.

In some embodiments, the first spacer structure may cover part or all of the optical isolation body.

In some embodiments, part or all of the cross-sectional shape of the second isolation structure along the light incident direction of the light conversion layer may include at least one of a rectangle, a triangle, a trapezoid, and an inverted trapezoid.

In some embodiments, the cross-sectional shape of the second isolation structure along the light incident direction of the light conversion layer may include a trapezoid, and the upper base of the trapezoid may face the light incident side of the light conversion layer.

In some embodiments, an accommodation space may be provided between the first isolation structure and at least one of the two adjacent second isolation structures.

In some embodiments, part or all of the area in the accommodating space may be provided with a light conversion material corresponding to a sub-pixel isolated by at least one of two adjacent second isolation structures.

In some embodiments, it may further include: a light-emitting layer; wherein, the light conversion layer may be disposed on the light-emitting surface of the light-emitting layer.

In some embodiments, the first isolation structure may be in direct contact with the light emitting layer, or a second spacer structure may be disposed between the first isolation structure and the light emitting layer.

In some embodiments, the light-emitting layer may include a plurality of light-emitting units.

In some embodiments, the multiple light-emitting units may come from the same continuous area of the same wafer, and the relative positions of the multiple light-emitting units on the light-emitting module may be consistent with the relative positions of the multiple light-emitting units on the wafer.

In some embodiments, the plurality of light-emitting units may include at least one of LEDs, Mini LEDs, and Micro LEDs.

In some embodiments, it may further include: a substrate; wherein, the light conversion layer may be disposed on the substrate.

In some embodiments, the first isolation structure may be in direct contact with the substrate, or a third spacer structure may be disposed between the first isolation structure and the substrate.

In some embodiments, it may further include: a grating structure; wherein, the grating structure may be disposed on the substrate.

Embodiments of the present disclosure further provide a display module, including the above-mentioned light-emitting module.

Embodiments of the present disclosure also provide a display screen, including the above-mentioned display module.

Embodiments of the present disclosure further provide a display, including the above-mentioned display screen.

The light-emitting module, display module, display screen and display provided by the embodiments of the present disclosure can achieve the following technical effects:

By arranging the first isolation structure between two adjacent composite sub-pixels in the plurality of composite sub-pixels in the light conversion layer, and by arranging the second isolation structure between two adjacent sub-pixels in the plurality of sub-pixels, it is possible to Try to avoid the light emitted by the light conversion layer from being conducted in an undesired direction, for example, try to prevent a part of the light emitted by a certain composite sub-pixel from entering another adjacent composite sub-pixel, or try to avoid a certain sub-pixel from emitting light. A part of the light enters into another adjacent sub-pixel, which is beneficial to improve the display effect.

The foregoing general description and the following description are exemplary and explanatory only and are not intended to limit the application.

Description of drawings

At least one embodiment is exemplified by the accompanying drawings, which are not intended to limit the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements. does not constitute a proportional limit, and where:

FIG. 1 is a schematic structural diagram of a light-emitting module provided by an embodiment of the present disclosure;

2A, 2B, and 2C are schematic structural diagrams of a first isolation structure provided by an embodiment of the present disclosure;

3A, 3B, and 3C are another schematic structural diagram of the first isolation structure provided by the embodiment of the present disclosure;

4A, 4B, and 4C are schematic structural diagrams of a second isolation structure provided by an embodiment of the present disclosure;

5A, 5B, and 5C are another schematic structural diagram of the second isolation structure provided by an embodiment of the present disclosure;

6A, 6B, 6C, and 6D are still another schematic structural diagrams of the second isolation structure provided by an embodiment of the present disclosure;

7A, 7B, and 7C are schematic structural diagrams of a first spacing structure provided by an embodiment of the present disclosure;

FIG. 8 is a schematic structural diagram of a accommodating space provided by an embodiment of the present disclosure;

FIG. 9 is another schematic structural diagram of a light-emitting module provided by an embodiment of the present disclosure;

FIG. 10 is another schematic structural diagram of a light-emitting module provided by an embodiment of the present disclosure;

11 is another schematic structural diagram of the light-emitting module provided by the embodiment of the present disclosure;

12 is another schematic structural diagram of the light-emitting module provided by the embodiment of the present disclosure;

13 is a schematic structural diagram of a display module provided by the implementation of the present disclosure;

14 is a schematic structural diagram of a display screen provided by the implementation of the present disclosure;

FIG. 15 is a schematic structural diagram of a display provided by the implementation of the present disclosure.

Reference number:

100: light emitting module; 200: light conversion layer; 201: pixel; 202: composite sub-pixel; 203: sub-pixel; 2031: first sub-pixel; 2032: second sub-pixel; 301: first isolation structure; 3011: 3012: third spacer structure; 302: second spacer structure; 3021: optical isolation body; 3022: first spacer structure; 401: first spacer area; 402: second spacer area; 500: accommodating space 510: light conversion material; 600: light emitting layer; 610: light emitting unit; 700: substrate; 800: grating structure; 900: display module; 901: display screen;

Detailed ways

In order to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings, which are for reference only and are not intended to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, numerous details are provided to provide a thorough understanding of the disclosed embodiments. However, at least one embodiment may be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawings.

Referring to FIG. 1, FIG. 1 shows a schematic structural diagram of a light-emitting module provided by an embodiment of the present disclosure. An embodiment of the present disclosure provides a light-emitting module 100, including:

The light conversion layer 200 includes a plurality of pixels 201;

Wherein, the pixel 201 includes a plurality of composite sub-pixels 202, and the composite sub-pixel 202 includes a plurality of sub-pixels 203 having the same color;

A first isolation structure 301 is provided between two adjacent composite sub-pixels 202 in the plurality of composite sub-pixels 202;

A second isolation structure 302 is disposed between two adjacent sub-pixels 203 in the plurality of sub-pixels 203 .

In this embodiment of the present disclosure, by disposing the first isolation structure 301 between two adjacent composite sub-pixels 202 in the plurality of composite sub-pixels 202 of the light conversion layer 200 , and by disposing the first isolation structure 301 between adjacent two sub-pixels 203 in the plurality of sub-pixels 203 Disposing the second isolation structure 302 between the pixels 203 can try to prevent the light emitted by the light conversion layer 200 from being conducted in an undesired direction. In the composite sub-pixel 202, or try to prevent a part of the light emitted by a certain sub-pixel 203 from entering another adjacent sub-pixel 203, it is beneficial to improve the display effect.

In some embodiments, two adjacent composite sub-pixels 202 of the plurality of composite sub-pixels 202 include the same or different light conversion materials 510 .

In some embodiments, two adjacent sub-pixels 203 of the plurality of sub-pixels 203 contain the same light conversion material 510 .

In some embodiments, the plurality of composite sub-pixels 202 are arranged in an array, or are arranged irregularly;

In some embodiments, the plurality of sub-pixels 203 are arranged in an array, or irregularly arranged.

In some embodiments, the light conversion layer 200 can realize the color conversion of light by means of wavelength selection, for example: at least one pair of the multiple composite sub-pixels 202 and sub-pixels 203 included in the light conversion layer 200 comes from the light-emitting layer 400 light for color conversion.

Referring to FIG. 2A , FIG. 2B , and FIG. 2C , in some embodiments, the first isolation structure 301 may be disposed in part or all of the area between two adjacent composite sub-pixels 202 .

In some embodiments, as shown in FIG. 2A , the first isolation structure 301 may be disposed in a partial area between two adjacent composite sub-pixels 202 , and the partial area is located between the two adjacent composite sub-pixels 202 between and close to one of the composite sub-pixels 202 (the composite sub-pixel 202 on the left in the figure).

In some embodiments, as shown in FIG. 2B , the first isolation structure 301 may be disposed in a partial area between two adjacent composite sub-pixels 202 , and the partial area is located between the two adjacent composite sub-pixels 202 and is opposite to the position of the first isolation structure 301 in FIG. 2A (close to the composite sub-pixel 202 on the right side in the figure).

In some embodiments, as shown in FIG. 2C , the first isolation structure 301 may be disposed in the entire area between two adjacent composite sub-pixels 202 .

In some embodiments, the area where the first isolation structure 301 is arranged between two adjacent composite sub-pixels 202 may be determined according to actual conditions such as process requirements, as long as the first isolation structure 301 can avoid two adjacent composite sub-pixels The light emitted by the pixel 202 may be conducted in an undesired direction (for example, the light emitted by two adjacent composite sub-pixels may be conducted toward each other).

Referring to FIG. 3A , FIG. 3B , and FIG. 3C , in some embodiments, a first spacer area 401 may exist between two adjacent composite sub-pixels 202 , and some or all of the first spacer area 401 may be provided with a first spacer area 401 . Isolated structure 301 .

In some embodiments, as shown in FIG. 3A , the first spacer area 401 having a rectangular shape may be used as the spacer area between two adjacent composite sub-pixels 202 , so that the adjacent two composite sub-pixels may be The projection jointly formed by the 202 and the first spacing region 401 may form a regular shape such as a right-angled quadrilateral as shown in FIG. 3A .

In some embodiments, the position, shape, size, etc. of the first spacing region 401 between two adjacent composite sub-pixels 202 may be determined according to actual conditions such as process requirements.

In some embodiments, as shown in FIG. 3A , the first isolation structure 301 may be provided in the entire area of the first spacer region 401 between two adjacent composite sub-pixels 202 .

In some embodiments, as shown in FIG. 3B , the first isolation structure 301 may be disposed in a partial area of the first spacing area 401 between two adjacent composite sub-pixels 202 , and the partial area is located in the adjacent area. Between and close to one of the two composite sub-pixels 202 (the composite sub-pixel 202 on the left in the figure).

In some embodiments, as shown in FIG. 3C , the first isolation structure 301 may be disposed in a partial area of the first spacer area 401 between two adjacent composite sub-pixels 202 , and the partial area is located in the adjacent area. Between the two composite sub-pixels 202 and opposite to the position of the first isolation structure 301 in FIG. 3B (close to the composite sub-pixel 202 on the right side in the figure).

In some embodiments, the first isolation structure 301 may include at least one of a light isolation structure and a light transmission structure.

In some embodiments, the optical isolation structure may include an optical isolation material. Optionally, the light isolating material may include at least one of a light absorbing material and a light reflecting material. Optionally, the light-reflecting material includes metal Ag, Al, Ag/Cu, Al/Cu structures with high reflectivity. Optionally, the light reflective material includes a composite reflective structure of metal and non-metal, such as Ag/ITO, Al/ITO structure.

Referring to FIG. 4A , FIG. 4B , and FIG. 4C , in some embodiments, the second isolation structure 302 may be disposed in part or all of the area between two adjacent sub-pixels 203 .

In some embodiments, as shown in FIG. 4A , the second isolation structure 302 may be disposed in a partial area between two adjacent sub-pixels 203 , and the partial area is located between the two adjacent sub-pixels 203 and is close to One of the sub-pixels 203 (the sub-pixel 203 on the left in the figure).

In some embodiments, as shown in FIG. 4B , the second isolation structure 302 may be disposed in a partial area between two adjacent sub-pixels 203 , and the partial area is located between the two adjacent sub-pixels 203 and is different from the adjacent two sub-pixels 203 . The position of the second isolation structure 302 in FIG. 4A is opposite (close to the sub-pixel 203 on the right side in the figure).

In some embodiments, as shown in FIG. 4C , the second isolation structure 302 may be disposed in the entire area between two adjacent sub-pixels 203 .

Referring to FIGS. 5A , 5B and 5C, in some embodiments, a second spacer area 402 may exist between two adjacent sub-pixels 203, and some or all of the second spacer area 402 may be provided with a second isolation structure 302.

In some embodiments, as shown in FIG. 5A , the second spacer area 402 having a rectangular shape may be used as the spacer area between two adjacent sub-pixels 203, so that the adjacent two sub-pixels 203 and the second spacer The projections collectively formed by the spaced regions 402 may form a regular shape such as a right-angled quadrilateral as shown in FIG. 5A .

In some embodiments, the position, shape, size, etc. of the second spacing region 402 between two adjacent sub-pixels 203 may be determined according to actual conditions such as process requirements.

In some embodiments, as shown in FIG. 5A , the second isolation structure 302 may be provided in the entire area of the second spacer area 402 between two adjacent sub-pixels 203 .

In some embodiments, as shown in FIG. 5B , the second isolation structure 302 may be disposed in a partial area of the second spacing area 402 between two adjacent sub-pixels 203 , and the partial area is located in the two adjacent sub-pixels 203 . Between the pixels 203 and close to one of the sub-pixels 203 (the sub-pixel 203 on the left side in the figure).

In some embodiments, as shown in FIG. 5C , the second isolation structure 302 may be disposed in a partial area of the second spacer area 402 between two adjacent sub-pixels 203 , and the partial area is located in the two adjacent sub-pixels 203 . between the pixels 203 and opposite to the position of the second isolation structure 302 in FIG. 5B (close to the sub-pixel 203 on the right side in the figure).

Referring to FIGS. 6A , 6B, 6C, and 6D, in some embodiments, two adjacent sub-pixels 203 may include a first sub-pixel 2031 and a second sub-pixel 2032, and the first sub-pixel 2031 may include a second sub-pixel close to the second sub-pixel 2031. The first side 2034 of the sub-pixel 2032 and the second sub-pixel 2032 may include a second side 2035 adjacent to the first sub-pixel 2031 . Optionally, the second isolation structure 302 may be disposed on at least one of the first surface 2034 and the second surface 2035 , or not in contact with the first surface 2034 and the second surface 2035 .

In some embodiments, as shown in FIG. 6A , the second isolation structure 302 is disposed on the first side 2034 of the first sub-pixel 2031 , in contact with the first side 2034 of the first sub-pixel 2031 , and not in contact with the second sub-pixel The second side 2035 of 2032 is in contact.

In some embodiments, as shown in FIG. 6B , the second isolation structure 302 is disposed on the second side 2035 of the second sub-pixel 2032 , in contact with the second side 2035 of the second sub-pixel 2032 , and not in contact with the first sub-pixel The first side 2034 of 2031 is in contact.

In some embodiments, as shown in FIG. 6C , the second isolation structure 302 is disposed on the first side 2034 of the first sub-pixel 2031 and the second side 2035 of the second sub-pixel 2032 , and the second side of the first sub-pixel 2031 The first side 2034 is in contact with the second side 2035 of the second sub-pixel 2032 .

In some embodiments, as shown in FIG. 6D , the second isolation structure 302 is disposed between the first surface 2034 of the first sub-pixel 2031 and the second surface 2035 of the second sub-pixel 2032 , and is not connected to the first sub-pixel 2032 . The first side 2034 of the 2031 is in contact with the second side 2035 of the second sub-pixel 2032 .

In some embodiments, the arrangement relationship between the second isolation structure 302 and the first sub-pixel 2031 and the second sub-pixel 2032 can be determined according to actual conditions such as process requirements, as long as the second isolation structure 302 can avoid the first sub-pixel 2031 The light emitted by the second sub-pixel 2032 may be conducted in an undesired direction (for example, the light emitted by the first sub-pixel 2031 and the second sub-pixel 2032 may be conducted toward each other).

In some embodiments, the second isolation structure 302 may include an optical isolation body 3021 .

In some embodiments, the light-isolating body 3021 may contain a light-isolating material.

In some embodiments, the second isolation structure 302 may be provided with a first spacer structure 3022, and the first spacer structure 3022 may be disposed between the optical isolation body 3021 and the sub-pixels 203 to be isolated.

Optionally, at least one of the light isolation body 3021 and the first spacer structure 3022 includes a light isolation material.

7A , 7B and 7C, in some embodiments, the first spacer structure 3022 may be disposed between the optical isolation body 3021 and at least one of the two adjacent sub-pixels 203.

Referring to FIG. 7A , in some embodiments, two adjacent sub-pixels 203 may include a first sub-pixel 2031 and a second sub-pixel 2032 , and a first spacer structure 3022 may be disposed between the optical isolation body 3021 and the first sub-pixel 2031 between.

Referring to FIG. 7B , in some embodiments, the first spacer structure 3022 may be disposed between the optical isolation body 3021 and the second sub-pixel 2032 .

Referring to FIG. 7C , in some embodiments, the first spacer structure 3022 may be disposed between the optical isolation body 3021 and the first sub-pixel 2031 , and between the optical isolation body 3021 and the second sub-pixel 2032 .

In some embodiments, the first spacer structure 3022 may cover part or all of the light isolation body 3021 .

Referring to FIG. 7A , FIG. 7B , and FIG. 7C , the first spacer structure 3022 may cover the whole of the light isolation body 3021 . Optionally, the first spacer structure 3022 may cover a portion of the light isolation body 3021 .

In some embodiments, part or all of the cross-sectional shape of the second isolation structure 302 along the light incident direction of the light conversion layer 200 may include at least one of a rectangle, a triangle, a trapezoid, and an inverted trapezoid.

In some embodiments, the cross-sectional shape of the second isolation structure 302 along the light incident direction of the light conversion layer 200 may include a trapezoid, and the upper base of the trapezoid may face the light incident side of the light conversion layer 200 .

In some embodiments, an accommodation space 500 may be provided between the first isolation structure 301 and at least one of the two adjacent second isolation structures 302 .

In some embodiments, part or all of the area in the accommodating space 500 may be provided with the light conversion material 510 corresponding to the sub-pixel 203 isolated by at least one of the two adjacent second isolation structures 302 . The accommodating space 500 is used for accommodating the light conversion material 510 that may overflow from the first isolation structure 301 and the second isolation structure 302 .

Referring to FIG. 8 , in some embodiments, the entire area in the accommodating space 500 may be provided with the light conversion material 510 corresponding to the sub-pixel 203 isolated by at least one of the two adjacent second isolation structures 302 . Optionally, a partial area in the accommodating space 500 may be provided with a light conversion material 510 corresponding to the sub-pixel 203 isolated by at least one of the two adjacent second isolation structures 302 .

Referring to FIG. 9 , in some embodiments, the light-emitting module 100 may further include: a light-emitting layer 600 ; wherein, the light conversion layer 200 may be disposed on the light-emitting surface S of the light-emitting layer 600 . Optionally, the light emitting layer 600 may include a plurality of light emitting units 610 .

Referring to FIG. 9 , in some embodiments, at least one first isolation structure 301 may be in direct contact with the light emitting layer 600 .

Referring to FIG. 10 , in some embodiments, a second spacer structure 3011 may be disposed between at least one of the first isolation structures 301 and the light emitting layer 600 .

In some embodiments, the plurality of light-emitting units 610 may come from the same continuous area of the same wafer, and the relative positions of the plurality of light-emitting units 610 on the light-emitting module 100 may be the same as the positions of the plurality of light-emitting units 610 on the wafer. The relative positions are the same.

In some embodiments, the plurality of light emitting units 610 may include at least one of LEDs, Mini LEDs, and Micro LEDs. Optionally, the plurality of light emitting units 610 may include at least one LED. Optionally, the plurality of light emitting units 111 may include at least one Mini LED. Optionally, the plurality of light emitting units 610 may include at least one Micro LED. Optionally, the plurality of light emitting units 610 may include at least one LED and at least one Mini LED. Optionally, the plurality of light emitting units 610 may include at least one LED, and at least one Micro LED. Optionally, the plurality of light emitting units 610 may include at least one Mini LED and at least one Micro LED. Optionally, the plurality of light emitting units 610 may include at least one LED, at least one Mini LED, and at least one Micro LED. Optionally, the plurality of light-emitting units 610 may include other light-emitting devices other than LEDs, Mini LEDs, and Micro LEDs.

Referring to FIG. 11 , in some embodiments, the light emitting module 100 may further include: a substrate 700 ; wherein, the light conversion layer 200 may be disposed on the substrate 700 .

Referring to FIG. 11 , in some embodiments, the first isolation structure 301 may be in direct contact with the substrate 700 .

A third spacer structure 3012 may be disposed between the first isolation structure 301 and the substrate 700 .

Optionally, the first isolation structure 301 may be in direct contact with the substrate 700 , and the first isolation structure 301 may not be in contact with the light emitting layer 600 . Optionally, the first isolation structure 301 may be in direct contact with the light emitting layer 600 , and the first isolation structure 301 may not be in contact with the substrate 700 . Optionally, a third spacer structure 3012 may be disposed between the first isolation structure 301 and the substrate 700 , and the first isolation structure 301 is not in contact with the light emitting layer 600 . Optionally, a third spacer structure 3012 may be disposed between the first isolation structure 301 and the light emitting layer 600 , and the first isolation structure 301 is not in contact with the substrate 700 . Optionally, the first isolation structure 301 may be in direct contact with the substrate 700 and the light emitting layer 600 . Optionally, the first isolation structure 301 may be in direct contact with the substrate 700 , and a third spacer structure 3012 may be disposed between the first isolation structure 301 and the light emitting layer 600 . Optionally, a third spacer structure 3012 may be disposed between the first isolation structure 301 and the substrate 700 , and the first isolation structure 301 and the light emitting layer 600 may be in direct contact.

Referring to FIG. 12 , in some embodiments, the light emitting module 100 may further include: a grating structure 800 ; wherein, the grating structure 800 may be disposed on the substrate 700 .

Optionally, the grating structure 800 may include at least one of a slit grating, a lenticular lens grating, and a spherical lens grating. The grating structure 800 is used to project the emitted light of the sub-pixels 203 at different positions in the same composite sub-pixel 202 to different directions, so as to form a 3D display effect based on the principle of binocular parallax.

Referring to FIG. 13 , an embodiment of the present disclosure further provides a display module 900 , including the above-mentioned light-emitting module 100 .

Referring to FIG. 14 , an embodiment of the present disclosure further provides a display screen 901 including the above-mentioned display module 900 .

Referring to FIG. 15 , an embodiment of the present disclosure further provides a display 902 including the above-mentioned display screen 901 .

In the light-emitting module, display module, display screen and display provided by the embodiments of the present disclosure, the first isolation structure is arranged between two adjacent composite sub-pixels among the plurality of composite sub-pixels of the light conversion layer, and, in The second isolation structure is arranged between two adjacent sub-pixels in the plurality of sub-pixels, which can try to prevent the light emitted by the light conversion layer from being conducted in an undesired direction. For example, try to prevent a part of the light emitted by a composite sub-pixel from entering In another adjacent composite sub-pixel, or try to prevent a part of the light emitted by a certain sub-pixel from entering another adjacent sub-pixel, it is beneficial to improve the display effect.

The foregoing description and drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural, logical, electrical, process, and other changes. The examples are only representative of possible variations. Unless expressly required, individual components and functions are optional and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of the disclosed embodiments includes the full scope of the claims, along with all available equivalents of the claims. When used in this application, although the terms "first," "second," etc. may be used in this application to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, without changing the meaning of the description, a first element could be termed a second element, and similarly, a second element could be termed a first element, so long as all occurrences of "the first element" were consistently renamed and all occurrences of "the first element" were named consistently The "second element" can be renamed consistently. The first element and the second element are both elements, but may not be the same element. Also, the terms used in this application are used to describe the embodiments only and not to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a" (a), "an" (an) and "the" (the) are intended to include the plural forms as well, unless the context clearly dictates otherwise. . Similarly, the term "and/or" as used in this application is meant to include any and all possible combinations of one or more of the associated listings. Additionally, as used in this application, the term "comprise" and its variations "comprises" and/or including and/or the like refer to stated features, integers, steps, operations, elements, and/or The presence of a component does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and/or groupings of these. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in the process, method, or device that includes the element. Herein, each embodiment may focus on the differences from other embodiments, and the same and similar parts between the various embodiments may refer to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method section disclosed in the embodiments, reference may be made to the description of the method section for relevant parts.

Those skilled in the art can realize that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software may depend on the specific application and design constraints of the technical solution. Skilled artisans may use different methods for implementing the described functionality for each particular application, but such implementations should not be considered beyond the scope of the disclosed embodiments. Those skilled in the art can clearly understand that, for the convenience and brevity of description, the working process of the above-described systems, devices and units may refer to the corresponding processes in the foregoing method embodiments, which will not be repeated here.

In the embodiments disclosed herein, the disclosed methods and products (including but not limited to apparatuses, devices, etc.) may be implemented in other ways. For example, the apparatus embodiments described above are only illustrative. For example, the division of units may only be a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components may be combined or may be Integration into another system, or some features can be ignored, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms. Units described as separate components may or may not be physically separated, and components shown as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. This embodiment may be implemented by selecting some or all of the units according to actual needs. In addition, each functional unit in the embodiment of the present disclosure may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.

In the drawings, the width, length, thickness, etc. of structures such as elements or layers may be exaggerated for clarity and descriptiveness. When an element or layer or the like is referred to as being "disposed on" (or "mounted on," "laying on," "adhering to," "coating on," and the like) another element or layer "over" or "above" When referring to “on”, the element or layer and other structures may be directly “disposed on” “above” or “on” the above-mentioned another element or layer, or there may be intervening elements or layers between the above-mentioned another element or layer, etc. structure, even partially embedded in another element or layer as described above.

Claims

A light-emitting module, comprising:

a light conversion layer, including a plurality of pixels;

Wherein, the pixel includes a plurality of composite sub-pixels, and the composite sub-pixel includes a plurality of sub-pixels with the same color;

A first isolation structure is provided between two adjacent composite sub-pixels in the plurality of composite sub-pixels;

A second isolation structure is provided between two adjacent sub-pixels in the plurality of sub-pixels.
The light emitting module according to claim 1, wherein the first isolation structure is disposed in part or all of the area between two adjacent composite sub-pixels.
The light emitting module according to claim 1, wherein a first spacing area exists between two adjacent composite sub-pixels, and a part or all of the first spacing area is provided with the first isolation structure.
The light emitting module according to claim 1, wherein the first isolation structure comprises at least one of a light isolation structure and a light transmission structure.
The light emitting module of claim 4, wherein the light isolation structure comprises a light isolation material.
The light-emitting module of claim 4, wherein the light-transmitting structure comprises a light-transmitting material.
The light emitting module according to claim 1, wherein the second isolation structure is disposed in part or all of the area between two adjacent sub-pixels.
The light emitting module according to claim 7, wherein a second spacing area exists between two adjacent sub-pixels, and a part or all of the second spacing area is provided with the second isolation structure.
The lighting module of claim 1, wherein the second isolation structure comprises an optical isolation body.
The light-emitting module of claim 9, wherein the light-isolating body comprises a light-isolating material.
The light emitting module according to claim 9, wherein the second isolation structure is provided with a first spacing structure, and the first spacing structure is provided between the optical isolation main body and the sub-pixels to be isolated.
The light emitting module of claim 11, wherein the first spacer structure is disposed between the light isolation body and at least one of the two adjacent sub-pixels.
The light emitting module of claim 11, wherein the first spacing structure covers part or all of the light isolation body.
The light emitting module according to claim 1, wherein part or all of the cross-sectional shape of the second isolation structure along the light incident direction of the light conversion layer comprises at least one of rectangle, triangle, trapezoid, and inverted trapezoid. one.
The light emitting module according to claim 14, wherein the cross-sectional shape of the second isolation structure along the light incident direction of the light conversion layer comprises a trapezoid, and the upper bottom of the trapezoid faces the entrance of the light conversion layer. light side.
The light emitting module according to claim 1, wherein an accommodation space is provided between the first isolation structure and at least one of the two adjacent second isolation structures.
The light-emitting module according to claim 16, wherein a part or all of the area in the accommodating space is provided with a light conversion material corresponding to a sub-pixel isolated by at least one of the two adjacent second isolation structures .
The light-emitting module according to any one of claims 1 to 17, further comprising: a light-emitting layer;

Wherein, the light conversion layer is disposed on the light emitting surface of the light emitting layer.
The lighting module according to claim 18, wherein,

The first isolation structure is in direct contact with the light emitting layer, or,

A second spacer structure is disposed between the first isolation structure and the light emitting layer.
The light-emitting module of claim 18, wherein the light-emitting layer comprises a plurality of light-emitting units.
The light-emitting module according to claim 20, wherein the plurality of light-emitting units are from the same continuous area of the same wafer, and the relative positions of the plurality of light-emitting units on the display device are the same as the relative positions of the plurality of light-emitting units on the wafer. The relative positions are the same.
The light-emitting module of claim 21, wherein the plurality of light-emitting units comprise:

At least one of LED, Mini LED, and Micro LED.
The light-emitting module according to any one of claims 1 to 17, further comprising: a substrate;

Wherein, the light conversion layer is disposed on the substrate.
The lighting module according to claim 23, wherein,

The first isolation structure is in direct contact with the substrate, or,

A third spacer structure is disposed between the first isolation structure and the substrate.
The light-emitting module according to claim 23, further comprising: a grating structure;

Wherein, the grating structure is disposed on the substrate.
A display module, comprising the light-emitting module according to any one of claims 1 to 25.
A display screen, comprising the display module as claimed in claim 26 .
A display comprising the display screen of claim 27.