TW202336516A - Light-emitting device and display apparatus - Google Patents

Abstract

The present application relates to the technical field of optics and discloses a light-emitting device. The light-emitting device comprises: a light conversion layer; a grating, which is arranged at one side of the light conversion layer; and a sensor, which is arranged in at least one among the light conversion layer and the grating. By means of the sensor being arranged in at least one among the light conversion layer and the grating, i.e. the sensor being arranged in the light-emitting device, the technical problem of a singular arrangement position of a sensor can be solved; and by means of arranging the sensor in the light-emitting device instead of arranging the sensor as independent of the light-emitting device, the overall thickness of the sensor and the light-emitting device can also be reduced. The present application further discloses a display apparatus.

Description

Light emitting components and display devices

This application claims priority to the Chinese patent application filed with the China Intellectual Property Office on January 25, 2022, with application number 2022100846024 and the invention title "Light-emitting Components and Display Devices", the entire content of which is incorporated into this application by reference. . The present application relates to the field of optical technology, for example, to a light-emitting element and a display device.

At present, sensors are usually not installed in light-emitting components, and the sensors are installed independently outside the light-emitting components.

In the process of implementing the embodiments of the present disclosure, it is found that there are at least the following problems in the related art: sensors that are installed independently of light-emitting elements have a relatively single installation location.

In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is provided below. This summary is not intended to be a casual discussion, nor is it intended to identify key/important constituent elements or delineate the protection scope of these embodiments, but rather serves as a prelude to the detailed description that follows.

Embodiments of the present disclosure provide a light-emitting element and a display device to solve the technical problem of a single location of a sensor.

In some embodiments, a light emitting element includes: light conversion layer; A grating, disposed on one side of the above-mentioned light conversion layer; and A sensor is provided on at least one of the above-mentioned light conversion layer and the above-mentioned grating.

In some embodiments, the sensor may be disposed in the light conversion layer, the light conversion layer may include a first groove, and the sensor may be disposed in the first groove.

In some embodiments, the sensor may be disposed in part or all of the first groove.

In some embodiments, the sensor may be disposed in a partial area of the first groove, and transparent glue may be disposed in other areas of the first groove.

In some embodiments, the sensor may be disposed in the light conversion layer and the grating, the light conversion layer may include a first groove, and the sensor may be disposed in the first groove and the grating. .

In some embodiments, the above-mentioned sensors may include first-type sensors and second-type sensors. The above-mentioned first-type sensors may be disposed in the above-mentioned first groove, and the above-mentioned second-type sensors may be disposed in the first groove. Can be set in the above grating.

In some embodiments, the first type of sensor may include a plurality of first sensors, and the types of the plurality of first sensors may be the same or different.

In some embodiments, the second type of sensor may include a plurality of second sensors, and the types of the plurality of second sensors may be the same or different.

In some embodiments, part of the sensor may be disposed in the first groove, and part of the sensor may be disposed in the grating.

In some embodiments, the above-mentioned sensors may include at least one of an infrared sensor, a pressure sensor, a ranging sensor, and a reflection spectrum sensor.

In some embodiments, a light-emitting layer may be further included, and the light-emitting layer may be disposed on a side of the light conversion layer away from the grating.

In some embodiments, the light-emitting layer may include a plurality of light-emitting units, and the plurality of light-emitting units may be arranged in an array.

In some embodiments, a wavelength selective layer may be further included, and the wavelength selective layer may be disposed between the light conversion layer and the grating.

In some embodiments, the wavelength selective layer may include at least one of a Dispersed Bragg Reflector (DBR) layer and a color resist layer.

In some embodiments, the above-mentioned Dispersed Bragg Reflector (DBR) layer may include a second groove, and the above-mentioned color resist layer may include a third groove; The above-mentioned sensor may further be disposed in at least one of the above-mentioned second groove and the above-mentioned third groove.

In some embodiments, a display device may include the above-mentioned light-emitting element.

The light-emitting element and display device provided by the embodiments of the present disclosure can achieve the following technical effects: By arranging the sensor in at least one of the above-mentioned light conversion layer and the above-mentioned grating, that is, arranging the sensor in the light-emitting element, not only can the technical problem of a single installation position of the sensor be solved; The sensor is arranged in the light-emitting element instead of arranging the sensor independently from the light-emitting element, and the overall thickness of the sensor and the light-emitting element can be reduced, so that when the light-emitting element and the sensor are used as part of the display device, the display The thickness of the device.

The above overall description and the following description are exemplary and explanatory only and are not intended to limit the application.

In order to understand the characteristics and technical content 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 in conjunction with the drawings. The attached drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for convenience of explanation, multiple details are used to provide a thorough understanding of the disclosed embodiments. However, at least one embodiment may still be practiced without these details. In other instances, well-known structures and devices are used to simplify the illustrations.

As shown in Figures 1, 2 and 3, in some embodiments, embodiments of the present disclosure provide a light-emitting element 10, including: a light conversion layer 101; a grating 102 disposed on a side of the light conversion layer 101. side; and the sensor 103, which is disposed on at least one of the light conversion layer 101 and the grating 102.

In some embodiments, the light conversion layer 101 may include photoluminescent materials, such as phosphors, organic fluorescent materials, fluorescent quantum dots, etc.

In some embodiments, a photoluminescent material can absorb incident light and, after absorbing the incident light, emit outgoing light at a wavelength different from the absorbed incident light. Optionally, the wavelength of the emitted light may be greater than the wavelength of the absorbed incident light. For example, the red fluorescent quantum dot material can absorb blue light or blue-violet light and emit red light; the green fluorescent quantum dot material can absorb blue light or blue-violet light, Emit green light.

In some embodiments, as shown in FIG. 1 , the sensor 103 may be disposed in the light conversion layer 101 . Alternatively, as shown in FIG. 2 , the sensor 103 can be disposed in the grating 102 . Alternatively, as shown in FIG. 3 , the sensor 103 can be disposed in the light conversion layer 101 and the grating 102 .

By arranging the sensor 103 in at least one of the light conversion layer 101 and the grating 102 , that is, arranging the sensor 103 in the light-emitting element 10 , not only can the technical problem of a single location of the sensor 103 be solved; By arranging the sensor 103 in the light-emitting element 10 instead of arranging the sensor 103 independently of the light-emitting element 10, the overall thickness of the sensor 103 and the light-emitting element 10 can be reduced, so that the light-emitting element 10 and the sensing element can be integrated. When the display device 103 is used as a part of the display device 20, the thickness of the display device 20 can be reduced.

In some embodiments, as shown in FIG. 1 , the sensor 103 is disposed in the light conversion layer 101 , the light conversion layer 101 includes a first groove 104 , and the sensor 103 is disposed in the first groove 104 .

In some embodiments, the light conversion layer 101 is provided with a first groove 104 that runs through the upper and lower surfaces of the light conversion layer 101. The cross-sectional shape of the first groove 104 may be a rectangle, a square, a circle, an ellipse, a polygon, etc., The cross-sectional shape of the first groove 104 is the shape of the first groove 104 when the light conversion layer 101 is viewed from above. Alternatively, the sensor 103 can be disposed in the first groove 104, as shown in FIG. 1 . Alternatively, the sensor 103 may be disposed in a portion of the light conversion layer 101 other than the first groove 104 . Alternatively, the sensor 103 may be disposed in the first groove 104 and in parts other than the first groove 104 .

As shown in FIG. 1 , in some embodiments, the sensor 103 is disposed in part or all of the first groove 104 .

In some embodiments, as shown in FIG. 1 , the sensor 103 may be disposed in a partial area of the first groove 104 . Optionally, when the sensor 103 is disposed in a partial area of the first groove 104, transparent glue is disposed in other areas of the first groove 104. Alternatively, the sensor 103 may be disposed in the entire area of the first groove 104 , that is, the shape of the first groove 104 matches the shape of the sensor 103 .

In some embodiments, the sensor 103 includes at least one of an infrared sensor 103, a pressure sensor 103, a ranging sensor 103, and a reflection spectrum sensor 103.

In some embodiments, as shown in Figure 3, the sensor 103 is disposed in the light conversion layer 101 and the grating 102. The light conversion layer 101 includes a first groove 104, and the sensor 103 is disposed in the first groove. 104 and raster 102.

In some embodiments, the sensor 103 disposed in the first groove 104 is a complete sensor 103 , and the sensor 103 disposed in the grating 102 is a complete sensor 103 . Optionally, the sensor 103 includes a first type sensor 103 and a second type sensor 103. The first type sensor 103 is disposed in the first groove 104, and the second type sensor 103 is disposed in the first groove 104. Raster 102. Optionally, the first type of sensor 103 includes a plurality of first sensors 103, and the plurality of first sensors 103 are of the same or different types. Optionally, the second type of sensor 103 includes a plurality of second sensors 103, and the plurality of second sensors 103 are of the same or different types.

In some embodiments, the first type of sensor 103 and the second type of sensor 103 are of the same or different types. Optionally, the first type sensor 103 and the second type sensor 103 are of the same type. Optionally, both the first type sensor 103 and the second type sensor 103 are infrared sensors 103 . Optionally, infrared sensors 103 are provided in both the first groove 104 and the grating 102 . Optionally, the first type of sensor 103 and the second type of sensor 103 are of different types. Optionally, the first type of sensor 103 is an infrared sensor 103, and the second type of sensor 103 is a pressure sensor 103. Optionally, an infrared sensor 103 is provided in the first groove 104 and a pressure sensor 103 is provided in the grating 102 .

In some embodiments, the multiple first sensors 103 are of the same type, for example, they are all infrared sensors 103 . Alternatively, infrared sensors 103 may be disposed in the first grooves 104 . Optionally, the plurality of first sensors 103 are of different types. For example, the plurality of first sensors 103 are respectively an infrared sensor 103 and a pressure sensor 103. Alternatively, the infrared sensor 103 and the pressure sensor 103 may be respectively disposed in different first grooves 104 . Optionally, the plurality of first sensors 103 are respectively a pressure sensor 103, a ranging sensor 103 and a reflection spectrum sensor 103. Alternatively, the pressure sensor 103, the ranging sensor 103 and the reflection spectrum sensor 103 may be respectively disposed in different first grooves 104.

In some embodiments, the plurality of second sensors 103 are of the same type, for example, they are all infrared sensors 103. Alternatively, infrared sensors 103 can be provided in both gratings 102 . Optionally, the plurality of second sensors 103 are of different types. For example, the plurality of second sensors 103 are respectively an infrared sensor 103 and a pressure sensor 103. Alternatively, the infrared sensor 103 and the pressure sensor 103 may be respectively provided in the grating 102. Optionally, the plurality of second sensors 103 are respectively an infrared sensor 103, a pressure sensor 103 and a ranging sensor 103. Alternatively, the infrared sensor 103, the pressure sensor 103 and the ranging sensor 103 may be respectively provided in the grating 102.

In some embodiments, the sensor 103 in the first groove 104 is not a complete sensor 103, and the sensor 103 in the grating 102 is not a complete sensor 103 either. Optionally, a portion of the sensor 103 is disposed in the first groove 104 , and a portion of the sensor 103 is disposed in the grating 102 . Alternatively, the partial sensor 103 located in the first groove 104 and the partial sensor 103 located in the grating 102 form a complete sensor 103 .

As shown in FIG. 4 , in some embodiments, a light-emitting layer 105 is further included. The light-emitting layer 105 is disposed on a side of the light conversion layer 101 away from the grating 102 . Optionally, the light-emitting layer 105 includes a plurality of light-emitting units 106, and the plurality of light-emitting units 106 are arranged in an array. Optionally, the plurality of light-emitting units 106 include light-emitting diodes (LEDs). Optionally, the above-mentioned light-emitting diode (LED) includes at least one of a mini-light-emitting diode (Mini LED) and a micro-light-emitting diode (Micro LED).

In some embodiments, multiple light-emitting units 106 can come from the same continuous area of the same wafer, for example: multiple light-emitting units 106 are arranged in the same continuous area of the same wafer by means of film growth, photolithography, etching, etc. Light emitting unit 106.

In some embodiments, for the multiple light-emitting units 106 , whether they are provided on a wafer or a light-emitting element or other equipment, the relationship between the above-mentioned multiple light-emitting units 106 (for example: the multiple light-emitting units 106 The positional relationship, posture relationship, etc.) between them can be unchanged. Alternatively, the above-mentioned mutual relationship between the plurality of light-emitting units 106 and the wafer (for example, the positional relationship, attitude relationship, etc. between the plurality of light-emitting units 106 and the wafer) may be unchanged. Alternatively, the plurality of light-emitting units 106 provided on the wafer can be integrated with the wafer without changing the relationship between the plurality of light-emitting units 106 and the relationship between the plurality of light-emitting units 106 and the wafer. In the case of a mutual relationship, the plurality of light-emitting units 106 and the wafer are integrally formed in a device such as a light-emitting element.

In some embodiments, the multiple light-emitting units 106 may be disposed in a non-mass transfer manner. For example, the multiple light-emitting units 106 disposed on wafers or light-emitting devices or other equipment have not undergone mass transfer.

In some embodiments, the light emitted by the light-emitting unit 106 corresponding to the first groove 104 directly reaches the grating 102 . The light emitted by the light-emitting unit 106 that does not correspond to the first groove 104 passes through the light conversion layer 101 and reaches the grating 102 .

As shown in FIG. 5 , in some embodiments, a wavelength selective layer 107 is further included, and the wavelength selective layer 107 is disposed between the light conversion layer 101 and the grating 102 . Alternatively, the wavelength selective layer 107 may reflect and/or absorb light transmitted through the light conversion layer 101 .

Continuing as shown in FIG. 5 , in some embodiments, the wavelength selective layer 107 includes at least one of a distributed Bragg reflector (DBR) layer 109 and a color resist layer 108 . Optionally, the wavelength selective layer 107 includes a Dispersed Bragg Reflector (DBR) layer 109 disposed between the light conversion layer 101 and the grating 102 . Optionally, the wavelength selective layer 107 includes a color resist layer 108 disposed between the light conversion layer 101 and the grating 102 . Optionally, the wavelength selective layer 107 includes a dispersed Bragg reflector (DBR) layer 109 and a color resist layer 108. The dispersed Bragg reflector (DBR) layer 109 is disposed on the side of the light conversion layer 101 close to the grating 102. The resistive layer 108 is disposed on the side of the distributed Bragg reflector (DBR) layer 109 away from the light conversion layer 101 .

In some embodiments, the Dispersed Bragg Reflector (DBR) layer 109 includes a second groove 110, and the color resist layer 108 includes a third groove 111; the sensor 103 is further disposed between the second groove 110 and the third groove. At least one of the slots 111.

In some embodiments, the wavelength selective layer 107 includes a Dispersed Bragg Reflector (DBR) layer 109 , the DBR layer 109 includes a second groove 110 , and the sensor 103 may be disposed in the second groove. 110, and may not be provided in the second groove 110. Optionally, the first groove 104 and the second groove 110 are arranged correspondingly, and the light emitted by the light emitting unit 106 corresponding to the first groove 104 directly reaches the grating 102 . The light emitted by the light-emitting unit 106 that does not correspond to the first groove 104 reaches the grating 102 through the light conversion layer 101 and the distributed Bragg reflector (DBR) layer 109 . Alternatively, the Dispersed Bragg Reflector (DBR) layer 109 can reflect light in a certain wavelength range, so that the reflected light reaches the light conversion layer 101 again for conversion, so as to improve the light conversion efficiency.

In some embodiments, the wavelength selective layer 107 includes a color resistance layer 108 , and the color resistance layer 108 includes a third groove 111 . The sensor 103 may be disposed in the third groove 111 , or may not be disposed in the third groove 111 . . Optionally, the first groove 104 and the third groove 111 are arranged correspondingly, and the light emitted by the light emitting unit 106 corresponding to the first groove 104 directly reaches the grating 102 . The light emitted by the light-emitting unit 106 that does not correspond to the first groove 104 reaches the grating 102 through the light conversion layer 101 and the color resist layer 108 . Alternatively, the color resist layer 108 may filter out light that is not intended for the grating 102 .

In some embodiments, the wavelength selective layer 107 includes a distributed Bragg reflector (DBR) layer 109 including a second groove 110 and a color resist layer 108 . Three grooves 111 , optionally, the sensor 103 can be disposed in the second groove 110 . Alternatively, the sensor 103 may be disposed in the third groove 111 . Alternatively, the sensor 103 may be disposed in the second groove 110 and the third groove 111, as shown in FIG. 5 . Alternatively, the sensor 103 may not be disposed in the second groove 110 and the third groove 111 . Optionally, the first groove 104, the second groove 110, and the third groove 111 are arranged correspondingly, and the light emitted by the light-emitting unit 106 corresponding to the first groove 104 directly reaches the grating 102. The light emitted by the light-emitting unit 106 that does not correspond to the first groove 104 reaches the grating 102 through the light conversion layer 101, the distributed Bragg reflector (DBR) layer 109 and the color resist layer 108.

In some embodiments, as shown in FIG. 6 , a display device 20 includes a light emitting element 10 .

In some embodiments, the display device 20 may further include other components for supporting the normal operation of the display device 20 , such as at least one of a communication interface, a frame, a control circuit, and other components.

In some embodiments, the display device 20 may be a display terminal or other element capable of displaying, such as a television, a projector, a mobile phone, a desktop computer, a tablet computer, a notebook computer, etc.

The light-emitting element and display device provided by the embodiments of the present disclosure can not only solve the problem of installing the sensor by arranging the sensor in at least one of the above-mentioned light conversion layer and the above-mentioned grating, that is, arranging the sensor in the light-emitting element. The technical problem of a single location; and by arranging the sensor in the light-emitting element instead of arranging the sensor independently from the light-emitting element, the overall thickness of the sensor and the light-emitting element can be reduced so that the light-emitting element and the sensor can be integrated When the detector is used as a part of the display device, the thickness of the display device can be reduced.

The above description and drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples represent only possible variations. Unless explicitly required, individual components and functions are optional and the sequence 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 entire scope of the claimed claims, and all available equivalents of the claimed 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 element. For example, without changing the meaning of the description, a first element can be called a second element, and similarly, a second element can be called a first element, as long as all occurrences of "first element" are renamed consistently and all occurrences of "first element" Just rename the "second component" consistently. The first element and the second element are both elements, but may not be the same element. Furthermore, the words used in this application are only used to describe the embodiments and are not used to limit the patent scope of the application. As used in the description of the embodiments and the claimed scope, the singular forms "a", "an" and "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 intended to encompass any and all possible combinations of one or more of the associated listed items. In addition, when used in this application, the term "comprise" and its variations "comprises" and/or "comprising" etc. refer to stated features, integers, steps, operations, elements, and/or The presence of an element does not exclude 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 statement "comprises a..." does not exclude the presence of other identical elements in a process, method or apparatus that includes this element. In this article, each embodiment may focus on its differences from other embodiments, and the same and similar parts among various embodiments may be referred to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method part disclosed in the embodiment, then the relevant parts can be referred to the description of the method part.

Those skilled in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented with 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. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementations should not be considered to be beyond the scope of the disclosed embodiments. Those skilled in the art can clearly understand that for the convenience and simplicity of description, the working processes of the systems, devices and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be described again here.

In the embodiments disclosed herein, the disclosed methods and products (including but not limited to devices, equipment, etc.) can be implemented in other ways. For example, the device 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 integrated. to another system, or some features can be ignored, or not implemented. In addition, the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms. A unit described as a separate component may or may not be physically separate. A component shown as a unit may or may not be a physical unit, that is, it may be located in one place, or it may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to implement this embodiment. In addition, each functional unit in the embodiment of the present disclosure can be integrated into one processing unit, or each unit can exist physically alone, or two or more units can be integrated into one unit.

In the drawings, the width, length, thickness, etc. of structures such as components or layers may be exaggerated for clarity and description. When an element or layer, such as a structure, is referred to as being "disposed on" (or "mounted on," "laid on," "fitted to," "coated on," or similar descriptions) another element or layer ”, the element or layer or other structure can be directly “disposed on” or “on” the other element or layer mentioned above, or there may be an intermediate element or layer or other structure between it and the other element or layer mentioned above. , or even partially embedded in another element or layer mentioned above.

10:Light-emitting components 101:Light conversion layer 102:Grating 103: Sensor (first type sensor, second type sensor, first sensor, second sensor) 104: First groove 105: Luminous layer 106:Light-emitting unit 107: Wavelength selective layer 108: Color resistance layer 109: Distributed Bragg Reflector (DBR) layer 110: Second groove 111:Third groove 20:Display device

At least one embodiment is exemplified by corresponding drawings. These exemplary descriptions and drawings do not constitute limitations to the embodiment. Components with the same reference numerals in the drawings are shown as similar components. FIG. The formula does not constitute a proportional restriction, and among them: Figure 1 is a schematic diagram of a light-emitting element provided by an embodiment of the present disclosure; Figure 2 is a schematic diagram of another light-emitting element provided by an embodiment of the present disclosure; Figure 3 is a schematic diagram of another light-emitting element provided by an embodiment of the present disclosure; Figure 4 is a schematic diagram of another light-emitting element provided by an embodiment of the present disclosure; Figure 5 is a schematic diagram of another light-emitting element provided by an embodiment of the present disclosure; Figure 6 is a schematic structural diagram of a display device provided by an embodiment of the present disclosure.

10:Light-emitting components

101:Light conversion layer

102:Grating

103: Sensor (first type sensor, second type sensor, first sensor, second sensor)

104: First groove

Claims (16)

A light-emitting component including: light conversion layer; A grating, disposed on one side of the light conversion layer; and A sensor is provided on at least one of the light conversion layer and the grating. The light-emitting element of claim 1, wherein the sensor is disposed in the light conversion layer, the light conversion layer includes a first groove, and the sensor is disposed in the first groove middle. The light-emitting element according to claim 2, wherein the sensor is disposed in part or all of the first groove. The light-emitting element according to claim 3, wherein the sensor is provided in a partial area of the first groove, and transparent glue is provided in other areas of the first groove. The light-emitting element according to claim 1, wherein the sensor is disposed in the light conversion layer and the grating, the light conversion layer includes a first groove, and the sensor is disposed in the the first groove and the grating. The light-emitting element according to claim 5, wherein the sensor includes a first type sensor and a second type sensor, and the first type sensor is disposed in the first groove, The second type of sensor is disposed in the grating. The light-emitting element according to claim 6, wherein the first type of sensor includes a plurality of first sensors, and the plurality of first sensors are of the same or different types. The light-emitting element according to claim 6, wherein the second type of sensor includes a plurality of second sensors, and the plurality of second sensors are of the same or different types. The light-emitting element of claim 5, wherein a portion of the sensor is disposed in the first groove, and a portion of the sensor is disposed in the grating. The light-emitting element according to claim 1, wherein the sensor includes at least one of an infrared sensor, a pressure sensor, a ranging sensor and a reflection spectrum sensor. The light-emitting element according to any one of claims 1 to 10, further comprising a light-emitting layer disposed on a side of the light conversion layer away from the grating. The light-emitting element according to claim 11, wherein the light-emitting layer includes a plurality of light-emitting units, and the plurality of light-emitting units are arranged in an array. The light-emitting element according to claim 1, further comprising a wavelength selective layer disposed between the light conversion layer and the grating. The light-emitting element according to claim 13, wherein the wavelength selective layer includes at least one of a dispersed Bragg reflector (DBR) layer and a color resist layer. The light-emitting element of claim 14, wherein the distributed Bragg reflector (DBR) layer includes a second groove, and the color resist layer includes a third groove; The sensor is further disposed in at least one of the second groove and the third groove. A display device including the light-emitting element according to any one of claims 1 to 15.

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