Photosensitive Module and Display Device

Abstract

The photosensitive module and display device provided by the present disclosure include: a driving circuit board; an ambient light sensor located on the surface of one side of the driving circuit board, and the ambient light sensor is electrically connected to the driving circuit board, and the photosensitive surface of the ambient light sensor faces away from the driving circuit board; a connection electrode arranged on the same side as the photosensitive surface of the ambient light sensor, and the connection electrode is used to electrically connect the driving circuit board and a flexible circuit board, and the flexible circuit board is located on the side of the ambient light sensor away from the driving circuit board.

Description

Technical Field

[0001] The present disclosure relates to the field of display technologies, and particularly to a photosensing module and a display device. Background Art

[0002] With the rapid development of products such as smart phones, smart watches, or smart bracelets, in addition to being used for display, these smart products also have an increasing number of new functions such as integrated optical sensing and motion sensing. Setting sensors with different functions in the limited space of these smart terminal products requires ensuring both the realization of their sensing functions and that these sensors do not affect the normal display of the display panel. Providing a smart product with a high degree of functional integration and high operational stability has become a new competitive point for smart terminal manufacturers. Summary of the Invention

[0003] Embodiments of the present disclosure provide a photosensing module and a display device to solve the problem in the prior art that an ambient light sensor is prone to interference with the display panel.

[0004] A photosensing module provided by an embodiment of the present disclosure includes:

[0005] A driving circuit board;

[0006] An ambient light sensor located on a surface of one side of the driving circuit board, and the ambient light sensor is electrically connected to the driving circuit board, and a light-sensing surface of the ambient light sensor faces away from the driving circuit board;

[0007] A connection electrode is disposed on the same side as the light-sensing surface of the ambient light sensor, and the connection electrode is used to electrically connect the driving circuit board to a flexible circuit board, and the flexible circuit board is located on a side of the ambient light sensor away from the driving circuit board.

[0008] In some embodiments, in the above photosensing module provided by the embodiments of the present disclosure, a first adapter board, a second adapter board, a first pad pair, and a second pad pair are further included; wherein,

[0009] The first adapter board is located on a side of the driving circuit board away from the ambient light sensor, and the second adapter board is wound around at least one side of the driving circuit board;

[0010] A positive projection of the second adapter board on a plane where the first adapter board is located, and a positive projection of the driving circuit board on a plane where the first adapter board is located respectively overlap with the first adapter board;

[0011] The first pad pair is disposed on adjacent surfaces of the first adapter board and the second adapter board that face each other, the second pad pair is disposed on adjacent surfaces of the first adapter board and the driving circuit board that face each other, and the connection electrode is located on a side of the second adapter board away from the first pad pair.

[0012] In some embodiments, in the above-described photosensitive module provided by the embodiments of the present disclosure, in a direction perpendicular to the plane of the first adapter board, the thickness of the second adapter board is equal to the thickness of the driving circuit board.

[0013] In some embodiments, in the above-described photosensitive module provided by the embodiments of the present disclosure, the second adapter board surrounds the driving circuit board.

[0014] In some embodiments, in the above-described photosensitive module provided by the embodiments of the present disclosure, the orthographic projection of the second adapter board on the plane of the first adapter board is located within the first adapter board.

[0015] In some embodiments, in the above-described photosensitive module provided by the embodiments of the present disclosure, it further includes: an alignment mark located on the second adapter board, and the alignment mark is disposed on the same side as the connection electrode.

[0016] In some embodiments, in the above-described photosensitive module provided by the embodiments of the present disclosure, the connection electrode is located on the surface of the driving circuit board, and the connection electrode is located in a surrounding area of the ambient light sensor.

[0017] Based on the same inventive concept, embodiments of the present disclosure provide a display device, including: a display panel, a photosensitive module, and a flexible circuit board, wherein,

[0018] The photosensitive module is the above-described photosensitive module provided by the embodiments of the present disclosure;

[0019] The photosensitive module is located on a side opposite to the display surface of the display panel, the ambient light sensor is located on a side of the driving circuit board facing the display panel, and the orthographic projection of the ambient light sensor on the display surface is located within the display area of the display panel;

[0020] The flexible circuit board is located between the photosensitive module and the display panel, and the flexible circuit board is electrically connected to the connection electrode and the display panel respectively. The flexible circuit board includes a first hollow structure, and the orthographic projection of the first hollow structure on the display surface covers and is larger than the area where the ambient light sensor is located.

[0021] In some embodiments, in the above-mentioned display device provided by the embodiments of the present disclosure, a heat dissipation component is further included between the flexible circuit board and the display panel. The heat dissipation component includes a second hollow structure, and the orthographic projection of the second hollow structure on the display surface covers and is larger than the orthographic projection of the first hollow structure on the display surface.

[0022] In some embodiments, in the above-mentioned display device provided by the embodiments of the present disclosure, a conductive cloth is further included on the side of the photosensitive module facing away from the display panel, and the conductive cloth is in direct contact with the surface of the photosensitive module facing away from the display panel.

[0023] The beneficial effects of the present disclosure are as follows:

[0024] The photosensitive module and the display device provided by the embodiments of the present disclosure include a driving circuit board; an ambient light sensor located on the surface of one side of the driving circuit board, and the ambient light sensor is electrically connected to the driving circuit board, and the light-sensing surface of the ambient light sensor faces away from the driving circuit board; a connection electrode arranged on the same side as the light-sensing surface of the ambient light sensor, and the connection electrode is used to electrically connect the driving circuit board and the flexible circuit board, and the flexible circuit board is located on the side of the ambient light sensor facing away from the driving circuit board. By arranging the connection electrode on the same side as the light-sensing surface of the ambient light sensor, the ambient light sensor can be indirectly lifted by the connection electrode, thereby avoiding interference between the ambient light sensor and the display panel; and because the connection electrode is electrically connected to the flexible circuit board, and usually the flexible circuit board can also be electrically connected to the display panel, so there is a flexible circuit board between the connection electrode and the display panel, so the connection electrode will not produce a mold mark on the display panel. Therefore, when the photosensitive module provided by the present disclosure is assembled on the opposite side of the display surface of the display panel, it can effectively prevent interference between the ambient light sensor and the display panel, and at the same time ensure that there is no risk of mold marks on the display panel. Description of the Drawings

[0025] Figure 1 It is a schematic structural diagram of a display device in the related art;

[0026] Figure 2 It is a schematic structural diagram of a display device provided by an embodiment of the present disclosure;

[0027] Figure 3 It is a schematic structural diagram of a first adapter board and the pads thereon provided by an embodiment of the present disclosure;

[0028] Figure 4 and Figure 5 They are respectively schematic structural diagrams of opposite sides of a second adapter board and the pads thereon provided by an embodiment of the present disclosure;

[0029] Figure 6 It is a schematic structural diagram of a photosensitive module provided by an embodiment of the present disclosure;

[0030] Figure 7 Another structural schematic diagram of the display device provided by the embodiment of the present disclosure;

[0031] Figure 8 Another structural schematic diagram of the photosensitive module provided by the embodiment of the present disclosure;

[0032] Figure 9 Another structural schematic diagram of the display device provided by the embodiment of the present disclosure;

[0033] Figure 10 Another structural schematic diagram of the display device provided by the embodiment of the present disclosure;

[0034] Figure 11 Flowchart of the assembly method of the display device provided by the embodiment of the present disclosure. Detailed implementation manners

[0035] To make the objectives, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It should be noted that the sizes and shapes of the various figures in the drawings do not reflect the actual proportions, and the purpose is only to illustrate the content of the present disclosure schematically. Also, the same or similar reference numerals throughout the specification represent the same or similar elements or elements having the same or similar functions.

[0036] Unless otherwise defined, the technical terms or scientific terms used herein shall have the ordinary meanings understood by those of ordinary skill in the field to which the present disclosure pertains. The "first", "second" and similar terms used in the specification and claims of the present disclosure do not denote any order, quantity or importance, but are only used to distinguish different components. The terms such as "include" or "comprise" mean that the elements or items appearing before this term cover the elements or items listed after this term and their equivalents, without excluding other elements or items. The terms such as "inside", "outside", "above", "below", etc. are only used to represent relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0037] As the user's demand for the screen-to-body ratio of the display device is getting higher and higher, more and more functional devices need to be integrated into the display device. In related products, there has been a technical solution of setting an Ambient Light Sensor (ALS) below the display panel (i.e., the opposite side of the display surface), as Figure 1 shown. Specifically, the ambient light sensor can effectively distinguish the brightness of the ambient light transmitted through the display panel, so as to adjust the screen brightness according to the brightness and darkness of the ambient light, which can achieve the purpose of power saving and improve the visual effect.

[0038] As shown Figure 1 in the figure, the ambient light sensing chip (ALS IC) in the related art includes a driving circuit board 101, an ambient light sensor 102 and a pad 103' respectively located on two opposite surfaces of the driving circuit board 101. The ambient light sensor 102 faces the display panel 03 to detect the ambient light passing through the display panel 03. In order to avoid interference between the ambient light sensor 102 and the display panel 03, the surrounding area of the ambient light sensing chip needs to be raised by using foam or polytetrafluoroethylene (PET), etc. Specifically, by supporting the flexible circuit board 02 with foam or polyethylene terephthalate (PET), a certain distance can be ensured between the ambient light sensing chip electrically connected to the flexible circuit board 02 and the display panel 03, thereby preventing interference between the ambient light sensor 102 and the display panel 03.

[0039] However, when using foam to raise the height, due to the compressibility of the foam, the interference between the ambient light sensor 102 and the display panel 03 cannot be completely prevented; when using polyethylene terephthalate to raise the height, due to the hardness of polyethylene terephthalate, it is easy to produce a mold mark on the display panel 03. Therefore, the related technical solutions cannot effectively solve the problem that the ambient light sensor 102 is prone to interference with the display panel 03.

[0040] In order to at least solve the above problems existing in the related art, an embodiment of the present disclosure provides a photosensing module 01, as Figure 2 shown, including:

[0041] A driving circuit board 101;

[0042] An ambient light sensor 102, located on the surface of one side of the driving circuit board 101, and the ambient light sensor 102 is electrically connected to the driving circuit board 101, and the photosensitive surface of the ambient light sensor 102 faces away from the driving circuit board 101;

[0043] A connection electrode 103, arranged on the same side as the photosensitive surface of the ambient light sensor 102, and the connection electrode 103 is used to electrically connect the driving circuit board 101 and the flexible circuit board 02, and the flexible circuit board 02 is located on the side of the ambient light sensor 102 away from the driving circuit board 101.

[0044] In the above-mentioned photosensitive module provided by the embodiment of the present disclosure, by arranging the connecting electrode 103 and the photosensitive surface of the ambient light sensor 102 on the same side, the ambient light sensor 102 can be indirectly raised by the connecting electrode 103, thereby avoiding interference between the ambient light sensor 102 and the display panel 03; and because the connecting electrode 103 is electrically connected to the flexible circuit board 02, and the flexible circuit board 02 can usually also be electrically connected to the display panel 03, so that the connecting electrode 103 and the display panel 03 are separated by the flexible circuit board 02, the connecting electrode 103 will not produce a mold on the display panel 03. Therefore, if Figure 1 As shown, when the photosensitive module 01 provided in the present disclosure is assembled on the opposite side of the display surface of the display panel 03 (i.e., the non-display surface), it can effectively prevent the ambient light sensor 102 from interfering with the display panel 03, while ensuring that there is no risk of mold printing on the display panel 03.

[0045] In addition, when foam or polytetrafluoroethylene is used to raise the surrounding area of ​​the ambient light sensing chip in the related art, a tight fitting process is added for the setting of the foam or polytetrafluoroethylene, which is more difficult and affects the production yield. In the present disclosure, there is no need to set foam or polytetrafluoroethylene, thus saving production processes and ensuring production yield.

[0046] In some embodiments, in the above-mentioned photosensitive module provided in the embodiment of the present disclosure, in order to effectively prevent the photosensitive module 01 from interfering with the display panel 03, as shown in FIG. Figures 2 to 6 As shown, it may also include a first adapter board 104, a second adapter board 105, a first pad pair 106 and a second pad pair 107; wherein,

[0047] The first adapter board 104 is located on a side of the driving circuit board 101 away from the ambient light sensor 102 , and the second adapter board 105 is disposed around at least one side of the driving circuit board 101 ;

[0048] The orthographic projection of the second adapter board 105 on the plane where the first adapter board 104 is located, and the orthographic projection of the driving circuit board 101 on the plane where the first adapter board 104 is located overlap with the first adapter board 104 respectively;

[0049] The first pad pair 106 can be arranged on adjacent surfaces of the first adapter board 104 and the second adapter board 105, and the second pad pair 107 can be arranged on adjacent surfaces of the first adapter board 104 and the driving circuit board 02, and the connecting electrode 103 is located on the side of the second adapter board 105 away from the first pad pair 106.

[0050] Specifically, Figures 2 to 6As shown, the connection electrode 103 can be the first pad; the first pad pair 106 can include a second pad 1061 disposed on the first adapter board 104 and a third pad 1062 disposed on the second adapter board 105; the second pad pair 107 can include a fourth pad 1071 disposed on the first adapter board 104 and a fifth pad 1072 disposed on the driving circuit board 101; wherein, the fifth pad 1072 on the driving circuit board 101 can be electrically connected to the connection electrode 103 through the fourth pad 1071, the second pad 1061, and the third pad 1062. And the second adapter board 105 is wound around at least one side of the driving circuit board 101, so that the second adapter board 105 can support the first adapter board 104, thereby ensuring that there is a suitable distance (for example, about 0.24 mm) between the ambient light sensor 102 on the side of the first adapter board 104 facing the display panel 03 and the display panel 03. Thus, by providing the first adapter board 104 and the second adapter board 105, the ambient light sensor 102 is indirectly elevated, effectively preventing interference between the ambient light sensor 102 and the display panel 03, and ensuring the display effect and the ambient light sensing performance.

[0051] Optionally, for facilitating independent signal loading, the connection electrode 103 can be electrically connected to the third pad 1062 one by one, and the fourth pad 1071 can be electrically connected to the second pad 1061 one by one. Additionally, considering that multiple fourth pads 1071 may require the same signal, thus, multiple fourth pads 1071 can also be correspondingly electrically connected to one second pad 1061. In some embodiments, the connection electrode 103 can receive a ground signal (GND), a communication signal (I2C), a time signal (TE), etc. loaded by the flexible circuit board 02, which is not specifically limited herein.

[0052] In some embodiments, in the above-described photosensing module provided by the embodiments of the present disclosure, as Figure 2 shown, in the vertical direction of the plane where the first adapter board 104 is located, the thickness h1 of the second adapter board 105 can be equal to the thickness h2 of the driving circuit board 101, so as to indirectly elevate the ambient light sensor 102 through the second adapter board 105 and avoid interference between the ambient light sensor 102 and the display panel 03.

[0053] It should be noted that, in the above-described photosensing module provided by the embodiments of the present disclosure, due to process condition limitations or the influence of other factors such as measurement, the thickness h1 of the second adapter board 105 and the thickness h2 of the driving circuit board 101 may happen to be equal, or there may be some deviations. Therefore, as long as the error (for example, a 10% floating up and down) is allowed, it falls within the protection scope of the present disclosure.

[0054] In some embodiments, in the above-described photosensing module provided by the embodiments of the present disclosure, asFigures 2 to 6 As shown in the figure, the second adapter board 105 can be arranged to surround the driving circuit board 101. Compared with the second adapter board 105 wound around one side of the driving circuit board 101, the surrounding arrangement can enhance the supporting effect of the second adapter board 105 on the first adapter board 104, so as to better ensure the stability of the distance between the ambient light sensor 102 on the side of the first adapter board 104 facing the display panel 03 and the display panel 03, and avoid interference between the ambient light sensor 102 and the display panel 03.

[0055] In some embodiments, in the above-mentioned photosensing module provided by the embodiments of the present disclosure, for the convenience of assembling the first adapter board 104 and the second adapter board 105, as Figures 2 to 6 shown, the orthographic projection of the second adapter board 105 on the plane where the first adapter board 104 is located can be located within the first adapter board 104.

[0056] In some embodiments, in the above-mentioned photosensing module provided by the embodiments of the present disclosure, as Figure 4 shown, it may further include: a registration mark 108 located on the second adapter board 105. The registration mark 108 is arranged on the same side as the connection electrode 103. Specifically, the registration mark 108 can be arranged at the gap between adjacent connection electrodes 103 for realizing the alignment welding of the first adapter board 104 and the second adapter board 105.

[0057] In some embodiments, in the above-mentioned photosensing module provided by the embodiments of the present disclosure, as Figure 7 and Figure 8 shown, the connection electrode 103 can be located on the surface of the driving circuit board 101, and the connection electrode 103 is located in the surrounding area of the ambient light sensor 102. Such an arrangement can make the structure of the photosensing module relatively simple, and can indirectly raise the ambient light sensor 102 through the connection electrode 103, thereby avoiding interference between the ambient light sensor 102 and the display panel 03.

[0058] Based on the same inventive concept, the embodiments of the present disclosure provide a display device. Since the principle of solving problems by this display device is similar to the principle of solving problems by the above-mentioned photosensing module, therefore, the implementation of the display device provided by the embodiments of the present disclosure can refer to the implementation of the above-mentioned photosensing module provided by the embodiments of the present disclosure, and the repeated parts will not be described again.

[0059] Specifically, a display device provided by the embodiments of the present disclosure, as Figure 2 、 Figure 7 、 Figure 9 and Figure 10 shown, includes: a photosensing module 01, a flexible circuit board 02 and a display panel 03, wherein,

[0060] The photosensitive module 01 is the above-mentioned photosensitive module 01 provided by the embodiments of the present disclosure. The display panel 03 can be an organic electroluminescent display panel (OLED), specifically a full-screen (such as Figure 9 shown), or a non-full-screen (such as Figure 10 shown);

[0061] The photosensitive module 01 is located on the opposite side of the display surface of the display panel 03. The ambient light sensor 102 is located on the side of the driving circuit board 101 facing the display panel 03. The orthographic projection of the ambient light sensor 102 on the display surface is located within the display area AA of the display panel 03;

[0062] The flexible circuit board 02 is located between the photosensitive module 01 and the display panel 03, and the flexible circuit board 02 is electrically connected to the connection electrode 103 and the display panel 03 respectively. The flexible circuit board 02 is flatly attached to the display panel 03. The flexible circuit board 02 includes a first hollow structure M. The orthographic projection of the first hollow structure M on the display surface covers and is larger than the area where the ambient light sensor 102 is located, so that the ambient light passing through the display panel 03 irradiates the ambient light sensor 102 through the first hollow structure M.

[0063] In some embodiments, in the above-mentioned display device provided by the embodiments of the present disclosure, as Figure 2 and Figure 7 shown, it may further include a heat dissipation component 104 located between the flexible circuit board 02 and the display panel 03. The heat dissipation component 104 may include a second hollow structure N. The orthographic projection of the second hollow structure N on the display surface covers and is larger than the orthographic projection of the first hollow structure M on the display surface.

[0064] Considering the alignment accuracy of the heat dissipation component 104 during the assembly process, setting the second hollow structure N of the heat dissipation component 04 to be larger than the first hollow structure M of the flexible circuit board 02 can avoid the problem that the heat dissipation component 04 may block the ambient light caused by assembly errors, so that the ambient light passing through the display panel 03 can smoothly irradiate the ambient light sensor 102 through the second hollow structure N and the first hollow structure M. In addition, in order to obtain a better heat dissipation effect, the heat dissipation component 104 may include a copper metal layer, a grid light-shielding tape, a foam, etc. arranged in layers.

[0065] In some embodiments, in the above-mentioned display device provided by the embodiments of the present disclosure, in order to prevent other components (such as the processor and signal transmitter in the display device) from interfering with the photosensitive module 01, as Figure 2 and Figure 7 shown, it may further include a conductive cloth 04 located on the side of the photosensitive module 01 facing away from the display panel 03, and the conductive cloth 04 is in direct contact with the surface of the photosensitive module 01 facing away from the display panel 03. Specifically, in Figure 2The conductive cloth 04 is in direct contact with the surface of the first adapter plate 104 of the photosensitive module 01 which is away from the display panel 03. Figure 7 The conductive cloth 04 is in direct contact with the surface of the driving circuit board 101 contained in the photosensitive module 01 which is away from the display panel 03. Optionally, the conductive cloth 04 is grounded to effectively shield the interference of signals of other components on the photosensitive module 01.

[0066] Optionally, to prevent short circuits between different components, such as Figure 2 and Figure 7 As shown, an insulating cloth 07 may also be provided between the resistor / capacitor 06 and the conductive cloth 05 on the flexible circuit board 02. Figure 2 and Figure 7 As shown, the polarizer 09 can also be attached to the display surface side of the display panel 02 through optical adhesive 08.

[0067] In some embodiments, the display device provided in the embodiments of the present disclosure may be any product or component with a display function, such as a mobile phone, a tablet computer, a television, a display, a laptop computer, a digital photo frame, a navigator, a smart watch, a fitness wristband, a personal digital assistant, etc. The display device includes but is not limited to components such as a radio frequency unit, a network module, an audio output & input unit, a sensor, a display unit, a user input unit, an interface unit, a memory, a processor, and a power supply. In addition, it can be understood by those skilled in the art that the above structure does not constitute a limitation on the display device provided in the embodiments of the present disclosure. In other words, the display device provided in the embodiments of the present disclosure may include more or fewer of the above components, or a combination of certain components, or different component arrangements.

[0068] Based on the same inventive concept, an embodiment of the present disclosure provides an assembly method for a display device. Since the principle of solving the problem by the assembly method is similar to the principle of solving the problem by the above-mentioned display device, the implementation of the assembly method provided by the embodiment of the present disclosure can refer to the implementation of the above-mentioned display device provided by the embodiment of the present disclosure, and the repeated parts will not be repeated.

[0069] Specifically, an embodiment of the present disclosure provides a method for assembling a display device, such as Figure 11 As shown, the following steps may be included:

[0070] S1101, providing the above-mentioned photosensitive module provided by the embodiment of the present disclosure;

[0071] S1102, providing a flexible circuit board having a first hollow structure, and electrically connecting the flexible circuit board to the connecting electrode, so that the first hollow structure exposes the ambient light sensor;

[0072] S1103. Provide a display panel, assemble the display panel on a side of the flexible circuit board away from the photosensing module, and electrically connect the display panel to the flexible circuit board. The ambient light sensor is located in the display area of the display panel.

[0073] As can be seen from the above description, in the present disclosure, by indirectly raising the ambient light sensor, a certain distance is maintained between the ambient light sensor and the display panel, which can prevent interference between the ambient light sensor and the display panel, and ensure the display performance of the display panel and the sensing performance of the ambient light sensor. In addition, the present disclosure also reduces the bonding process in production, has a lower requirement for alignment accuracy in production, and improves the production yield.

[0074] Obviously, those skilled in the art can make various changes and modifications to the present disclosure without departing from the spirit and scope of the present disclosure. Thus, if these modifications and variations of the present disclosure fall within the scope of the claims of the present disclosure and their equivalent technologies, the present disclosure is also intended to include these changes and modifications.

Claims

1. A photosensitive module, characterized in that, Comprising: A driving circuit board; An ambient light sensor located on a surface of one side of the driving circuit board, and the ambient light sensor is electrically connected to the driving circuit board, and a light sensing surface of the ambient light sensor faces away from the driving circuit board; A connection electrode disposed on the same side as the light sensing surface of the ambient light sensor, and the connection electrode is used to electrically connect the driving circuit board and a flexible circuit board, and the flexible circuit board is located on a side of the ambient light sensor away from the driving circuit board; It further includes a first adapter board, a second adapter board, a first pair of pads and a second pair of pads; wherein, The first adapter board is located on a side of the driving circuit board away from the ambient light sensor, and the second adapter board is wound around at least one side of the driving circuit board; A positive projection of the second adapter board on a plane where the first adapter board is located, and a positive projection of the driving circuit board on the plane where the first adapter board is located respectively overlap with the first adapter board; The first pair of pads is disposed on adjacent surfaces of the first adapter board and the second adapter board that are oppositely disposed, the second pair of pads is disposed on adjacent surfaces of the first adapter board and the driving circuit board that are oppositely disposed, and the connection electrode is located on a side of the second adapter board away from the first pair of pads; the first pair of pads includes a second pad disposed on the first adapter board and a third pad disposed on the second adapter board; the second pair of pads includes a fourth pad disposed on the first adapter board and a fifth pad disposed on the driving circuit board, and the fifth pad is electrically connected to the connection electrode through the fourth pad, the second pad and the third pad.

2. The photosensitive module according to claim 1, wherein In a direction perpendicular to a plane where the first adapter board is located, a thickness of the second adapter board is equal to a thickness of the driving circuit board.

3. The photosensitive module according to claim 1, wherein The second adapter board is disposed around the driving circuit board.

4. The photosensitive module according to claim 1, wherein A positive projection of the second adapter board on a plane where the first adapter board is located is located within the first adapter board.

5. The photosensitive module according to any one of claims 1-4, characterized in that, It further includes: An alignment mark located on the second adapter board, and the alignment mark is disposed on the same side as the connection electrode.

6. A display device, characterized in that, Comprising: A display panel, a light sensing module and a flexible circuit board, wherein, The light sensing module is the light sensing module according to any one of claims 1-5; The light sensing module is located on a side opposite to a display surface of the display panel, the ambient light sensor is located on a side of the driving circuit board facing the display panel, and a positive projection of the ambient light sensor on the display surface is located within a display area of the display panel; The flexible circuit board is located between the light sensing module and the display panel, and the flexible circuit board is electrically connected to the connection electrode and the display panel respectively, and the flexible circuit board includes a first hollow structure, and a positive projection of the first hollow structure on the display surface covers and is larger than an area where the ambient light sensor is located.

7. The display device according to claim 6, wherein It further includes a heat dissipation component located between the flexible circuit board and the display panel, and the heat dissipation component includes a second hollow structure, and a positive projection of the second hollow structure on the display surface covers and is larger than a positive projection of the first hollow structure on the display surface.

8. The display device according to claim 6 or 7, characterized in that, It further includes a conductive cloth located on the side of the photosensitive module facing away from the display panel, and the conductive cloth is in direct contact with the surface of the photosensitive module facing away from the display panel.

Images