CN108509088B

CN108509088B - Electronic device and method for manufacturing the same

Info

Publication number: CN108509088B
Application number: CN201810193184.6A
Authority: CN
Inventors: 李�杰
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2018-03-09
Filing date: 2018-03-09
Publication date: 2020-10-16
Anticipated expiration: 2038-03-09
Also published as: CN111984155B; CN108509088A; CN111984155A; WO2019170013A1

Abstract

The invention discloses an electronic device and a manufacturing method. The electronic device comprises a light-transmitting display screen and an infrared sensor. The light-transmitting display screen comprises an upper surface and a lower surface which is opposite to the upper surface, the light-transmitting display screen is used for transmitting the upper surface to emit light for display, and the lower surface comprises a display area and a frame area which surrounds the display area. The infrared sensor comprises an emitter for emitting infrared light through the frame area and a receiver for receiving the infrared light through the transparent display area. According to the electronic device and the manufacturing method, the infrared sensor can be arranged below the light-transmitting display screen under the condition of a complete screen, the traditional hole opening operation is avoided, the reliability of the overall strength of the frame area of the electronic device is ensured, and the screen occupation ratio of the electronic device is further improved. The emitter of the red light sensor is arranged in the frame area, so that the infrared light emitted by the emitter can be prevented from influencing the working stability of the TFT in the display area.

Description

Electronic device and method for manufacturing the same

Technical Field

The present invention relates to the field of electronic technologies, and in particular, to an electronic device and a manufacturing method thereof.

Background

In the mobile terminal, the infrared proximity sensor emits infrared rays outwards, then the distance between an obstacle and the sensor is judged by measuring the intensity of the infrared rays reflected back when the infrared proximity sensor encounters the obstacle, and the mobile phone carries out preset operation according to the distance information measured by the infrared proximity sensor. With the development of mobile terminals, full-screen has become the development trend of mobile phones. However, the high screen-to-screen ratio characteristic of the full screen limits the space left in the screen for proximity sensors or other components.

Disclosure of Invention

To solve the above technical problems, embodiments of the present invention provide an electronic device and a method for manufacturing the same.

An electronic device according to an embodiment of the present invention includes: the light-transmitting display screen comprises a lower surface, the upper surface of the lower surface is opposite to the upper surface of the lower surface, the light-transmitting display screen is used for emitting light through the upper surface to display, and the lower surface comprises a display area and a frame area surrounding the display area; and

an infrared sensor including a transmitter for transmitting infrared light through the bezel area and a receiver for receiving the infrared light through the display area.

In some embodiments, the electronic device further includes a first coating layer applied to the lower surface and covering the emitter.

In some embodiments, the first coating layer is configured to transmit infrared light and intercept visible light, and the emitter is configured to emit infrared light through the first coating layer and the bezel area.

In some embodiments, the infrared sensor includes a proximity sensor including a signal emitter for emitting infrared light through the first coating layer and the border region and a signal receiver for receiving the infrared light reflected by an object to detect a distance of the object from the electronic device.

In certain embodiments, the first coating layer comprises an IR ink having a transmittance of greater than 85% for infrared light, a transmittance of less than 6% for visible light, and a wavelength of infrared light that is transparent to the IR ink is from 850nm to 940 nm.

In some embodiments, the transmitter and the receiver are of a split construction.

In some embodiments, the transmitter and the receiver are of unitary construction.

In some embodiments, the electronic device further includes a second coating layer coated on the bottom surface and covering the receiver, the second coating layer being configured to transmit infrared light and intercept visible light, and the receiver being configured to receive infrared light through the display area and the second coating layer.

In some embodiments, the light transmissive display screen comprises an OLED display screen.

In some embodiments, the electronic device further includes a light-transmissive touch panel and a light-transmissive cover plate formed on the light-transmissive touch panel, the light-transmissive touch panel is disposed on the light-transmissive display screen, the upper surface faces the light-transmissive touch panel, and both the light transmittance of the light-transmissive touch panel and the light transmittance of the light-transmissive cover plate to visible light and the light transmittance of the light-transmissive cover plate to infrared light are greater than 90%.

In some embodiments, the light-transmissive display screen is configured to emit light through the display region, and a ratio of an area of the display region to an area of the light-transmissive cover plate is greater than 90%.

In some embodiments, the electronic device further includes a buffer layer covering the lower surface and avoiding the receiver.

In some embodiments, the electronic device further comprises a metal sheet covering the buffer layer and avoiding the receiver.

The method for manufacturing an electronic device according to an embodiment of the present invention includes the steps of:

providing a light-transmitting display screen, wherein the light-transmitting display screen comprises an upper surface and a lower surface opposite to the upper surface, the light-transmitting display screen is used for emitting light through the upper surface to display, and the lower surface comprises a display area and a frame area surrounding the display area; and

an infrared sensor is provided, the infrared sensor including a transmitter for transmitting infrared light through the bezel area and a receiver for receiving the infrared light through the display area.

In certain embodiments, the method of manufacturing further comprises the steps of:

arranging a light-transmitting touch panel on the light-transmitting display screen; and

and a light-transmitting cover plate is arranged on the light-transmitting touch panel.

and coating a first coating layer on the lower surface, wherein the first coating layer covers the emitter, and the emitter is used for emitting infrared light through the first coating layer and the frame area.

and coating a second coating layer on the lower surface, wherein the second coating layer covers the receiver, and the receiver is used for receiving infrared light through the second coating layer and the display area.

and arranging a buffer layer on the lower surface, wherein the buffer layer covers the lower surface and avoids the receiver.

providing a metal sheet, wherein the metal sheet covers the buffer layer and avoids the receiver.

In the electronic device and the manufacturing method of the embodiment of the invention, the infrared sensor can be arranged below the transparent display screen under the condition of full screen by adopting the transparent display screen, thereby avoiding the traditional hole opening operation, ensuring the reliability of the integral strength of the frame area of the electronic device and further improving the screen occupation ratio of the electronic device. The emitter of the red light sensor is arranged in the frame area, so that the infrared light emitted by the emitter can be prevented from influencing the working stability of the TFT in the display area.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a perspective view of an electronic device according to the present invention;

FIG. 2 is a schematic cross-sectional view of certain embodiments of the present invention;

FIG. 3 is a schematic perspective view of a light transmissive display panel of the present invention;

FIG. 4 is a schematic cross-sectional view of certain embodiments of the present invention;

FIG. 5 is a schematic cross-sectional view of certain embodiments of the present invention;

FIG. 6 is a schematic cross-sectional view of certain embodiments of the present invention;

FIGS. 7A-7C are schematic illustrations of certain embodiments of the present invention;

FIG. 8 is a schematic cross-sectional view of certain embodiments of the present invention;

FIGS. 9A-9C are schematic illustrations of certain embodiments of the present invention;

FIGS. 10A and 10B are schematic illustrations of certain embodiments of the present invention;

FIGS. 11A and 11B are schematic illustrations of certain embodiments of the present invention;

fig. 12A and 12B are schematic cross-sectional views of electronic devices of the present invention;

FIG. 13 is a schematic cross-sectional view of certain embodiments of the present invention;

FIG. 14 is a schematic flow chart of a method of manufacture of the present invention;

FIG. 15 is a schematic flow chart of a method of manufacture of certain embodiments of the present invention;

FIG. 16 is a schematic flow chart of a method of manufacture of certain embodiments of the present invention;

FIG. 17 is a schematic flow chart of a method of manufacture of certain embodiments of the present invention;

FIG. 18 is a schematic flow chart of a method of manufacture of certain embodiments of the present invention; and

fig. 19 is a further flow diagram of fig. 18 in accordance with the present invention.

Description of the main element symbols: the touch panel comprises a light-transmitting cover plate 11, a light-transmitting touch panel 12, a light-transmitting display screen 13, a first coating layer 14, a second coating layer 15, an infrared sensor 16, a buffer layer 17, a metal sheet 18, a shell 20, an electronic device 100, an upper surface 131, a lower surface 132, a display area 1311, a frame area 1312, a transmitter 1611 and a receiver 1612.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

Electronic devices, such as mobile phones or tablet computers, generally have infrared sensors installed to detect the distance between the electronic device and a user. Taking a mobile phone as an example, an infrared sensor is arranged in the upper area of the mobile phone. When a user carries out voice call or related operation, the mobile phone is close to the head, the infrared sensor feeds distance information back to the processor, and the processor executes corresponding instructions, such as closing light of the display screen assembly. In the related art, the infrared sensor disposed on the electronic device needs to be provided with corresponding holes for transmitting and receiving infrared signals, but with the development of the electronic device, the requirements of people on the appearance and the operation experience of the mobile phone are higher and higher. The mobile phone has been developed towards the direction of the full-screen, and the full-screen mobile phone forms an ultra-narrow frame between the casing and the display screen assembly, and because the width of the ultra-narrow frame is too small, the ultra-narrow frame may not have enough space to open a hole, so that the overall strength of the frame is reduced even if the hole is opened, and further the reliability of the electronic equipment is low.

Referring to fig. 1, an electronic device 100 according to an embodiment of the invention may be a mobile phone or a tablet computer. The electronic device 100 according to the embodiment of the present invention is described by taking a mobile phone as an example, but it is to be understood that the specific form of the electronic device 100 may be other, and is not limited herein.

Referring to fig. 2 and 3, the electronic device 100 includes a light-transmissive display 13, an infrared sensor 16, and a housing 20.

The light-transmitting display 13 includes an upper surface 131 and a lower surface 132, the upper surface 131 is opposite to the lower surface 132, the lower surface 132 includes a display area 1311 and a frame area 1312, and the frame area 1312 surrounds the display area 1311. The light-transmissive display panel 13 is for light-emitting display through the upper surface 131. The infrared sensor 16 includes a transmitter 1611 and a receiver 1612, the transmitter 1611 is for transmitting infrared light through the frame region 1312, and the receiver 1612 is for receiving infrared light through the display region 1311.

The transmitter 1611 is used for transmitting infrared light, when the transmitted infrared light meets an obstacle in the detection direction, a part of the infrared light is reflected back to be received by the receiver 1612, and the processor calculates the time from the transmission of the infrared light to the reflection of the infrared light, so that the distance between the electronic device 100 and the obstacle can be determined and adjusted accordingly. When a user answers or makes a call, the electronic device 100 is close to the head, the emitter 1611 emits infrared light, the receiver 1612 receives the infrared light reflected back by the head, the processor calculates the time from emitting to reflecting of the infrared light, sends a corresponding instruction to control the screen to close the background light, and when the electronic device 100 is far away from the head, the processor calculates according to the data fed back again and sends an instruction to open the screen background light again. Therefore, misoperation of the user is prevented, and the electric quantity of the mobile phone is saved.

The housing 20 is used to house components and assemblies for protection. By providing the housing 20 to enclose the components and assemblies, direct damage to these components from external factors is avoided. The housing 20 may be formed by CNC machining of an aluminum alloy, or may be injection molded using Polycarbonate (PC) or PC + ABS material.

In summary, in the electronic device 100 according to the embodiment of the invention, the transparent display 13 is adopted, so that the infrared sensor 16 can be disposed below the transparent display 13 under the condition of full screen, thereby avoiding the conventional hole opening operation, ensuring the reliability of the overall strength of the frame area 1312 of the electronic device 100, and further improving the screen occupation ratio of the electronic device. The emitter 1611 of the red sensor 16 is disposed in the bezel area 1312 while preventing the infrared light emitted from the emitter 1611 from affecting the operation stability of the TFTs in the display area 1311.

In some embodiments, the light transmissive display 13 comprises an OLED display.

In particular, an Organic Light-Emitting Diode (OLED) display screen has good Light transmittance and can transmit visible Light and infrared Light. Therefore, the OLED display screen does not influence the infrared sensor to emit and receive infrared light under the condition of showing the content effect. The light-transmitting display screen 13 may also be a Micro LED display screen, and the Micro LED display screen also has good light transmittance for visible light and infrared light. Of course, these display screens are merely exemplary and embodiments of the present invention are not limited in this respect.

Referring to fig. 4, in some embodiments, the electronic device 100 further includes a light-transmissive touch panel 12 and a light-transmissive cover 11. The light-transmitting cover plate 11 is formed on the light-transmitting touch panel 12, the light-transmitting touch panel 12 is disposed on the light-transmitting display screen 13, the upper surface 131 of the light-transmitting display screen 13 faces the light-transmitting touch panel 12, and the light transmittance of the light-transmitting touch panel 12 and the light-transmitting cover plate 11 to visible light and the light transmittance of infrared light are both greater than 90%.

Specifically, the light-transmitting touch panel 12 is mainly used for receiving an input signal generated when a user touches the light-transmitting touch panel 12 and transmitting the input signal to the circuit board for data processing, so as to obtain a specific position where the user touches the light-transmitting touch panel 12. The light-transmitting touch panel 12 and the light-transmitting display screen 13 can be attached by adopting an In-Cell or On-Cell attaching technology, so that the weight of the display screen can be effectively reduced, and the overall thickness of the display screen can be reduced. In addition, the transparent cover 11 is disposed on the transparent touch panel 12, so as to effectively protect the transparent touch panel 12 and the internal structure thereof, and prevent the transparent touch panel 12 and the transparent display 13 from being damaged by external force. The light transmittance of the light-transmitting cover plate 11 and the light-transmitting touch panel 12 to visible light and infrared light is greater than 90%, which is not only beneficial to the light-transmitting display screen 13 to better display the content effect, but also beneficial to the infrared sensor 16 arranged below the light-transmitting display screen 13 to stably emit and receive infrared light, and ensures the normal work of the infrared sensor 16.

Referring to fig. 3, in some embodiments, the light-transmissive display panel 13 is used for light-emitting display through the display region 1311, and the ratio of the area of the display region 1311 to the area of the light-transmissive cover 11 is greater than 90%.

Specifically, by setting the proportion of the display area 1311 and the transparent cover plate 11, after the transparent display screen 13 is attached to the transparent cover plate 11, the display area 1311 can display the content effect in a large size area, which not only improves the user experience, but also effectively increases the screen occupation ratio of the electronic device 100. The bezel region 1312 can also be used to shield other components and metal traces underneath the light-transmissive display 13, so that the appearance of the product is consistent. The border region 1312 may be printed with ink to enhance the optical density of the light-transmissive display 13, so as to ensure the light-shielding effect and provide a good visual effect.

Referring to fig. 5, in some embodiments, the electronic device 100 further includes a first coating layer 14, and the first coating layer 14 is coated on the bottom surface 132 and covers the emitter 1611.

Specifically, the emitter 1611 is usually mounted with a gap during the process of assembly, which results in a gap between the emitter 1611 and other components, so that visible light enters the gap and leaks light. Therefore, in the direction in which the emitter 1611 and the light-transmitting display 13 are stacked, the area of the orthographic projection of the first coating layer 14 on the lower surface 132 covers the area of the orthographic projection of the emitter 1611 on the lower surface 132, so that the emitter 1611 can be sufficiently shielded by the first coating layer 14 without affecting the normal operation of the emitter 1611, and the effect that the emitter 1611 is not visible when the electronic device 100 is viewed from the outside can be achieved.

In some embodiments, first coating layer 14 is configured to transmit infrared light and intercept visible light, and emitter 1611 is configured to emit infrared light through first coating layer 14 and bezel area 1312.

Specifically, the first coating layer 14 transmits infrared light, so that when the emitter 1611 emits infrared light outwards for detection, the intensity of the infrared light transmitted through the first coating layer 14 is attenuated less, or the attenuation degree does not affect the detection process, thereby ensuring the normal operation of the emitter 1611. The first coating layer 14 blocks visible light from passing through the first coating layer 16, and visually blocks the emitter 1611, so that the emitter 1611 is not visible when the electronic device 100 is viewed from the outside.

In some embodiments, the infrared sensor 16 includes a proximity sensor including a signal emitter 1 for emitting infrared light through the first coating layer 1311 and the bezel area 1312 and a signal receiver for receiving infrared light reflected by an object to detect a distance of the object from the electronic device 100.

Specifically, when a user answers or makes a call, the electronic device 100 is close to the head, the signal emitter emits infrared light, the signal receiver receives the reflected infrared light, the processor calculates the time from emission to reflection of the infrared light and sends a corresponding instruction to control the screen to close the background light, and when the electronic device 100 is far away from the head, the processor calculates according to the data fed back again and sends an instruction to re-open the screen background light. Therefore, misoperation of the user is prevented, and the electric quantity of the mobile phone is saved.

In certain embodiments, the first coating layer 14 comprises an IR ink having a transmittance of greater than 85% for infrared light and a transmittance of less than 6% for visible light, the IR ink being transparent to infrared light at a wavelength of 850nm to 940 nm.

Specifically, since the IR ink has a characteristic of low transmittance to visible light, the emitter 1611 disposed under the first coating layer 14 is not observed based on the vision of human eyes when the electronic device 100 is viewed from the outside. Meanwhile, the IR printing ink has the characteristic of high light transmittance to infrared light, so that the emitter 1611 can stably emit the infrared light, and the normal work of the emitter 1611 is ensured.

Referring to fig. 6-9C, in some embodiments, the transmitter 1611 and the receiver 1612 are separate structures.

Specifically, since the transmitter 1611 and the receiver 1612 are of a separate structure, a compact arrangement or a dispersed arrangement may be selected for the arrangement position, and the receiver 1612 may be flexibly disposed at a position that does not greatly affect the display pixels, such as a low-frequency display region. As such, it is not only advantageous for electronic device 100 to fully allocate the spatial locations of various elements and employ transmitters 1611 and receivers 1612 in a variety of shapes, but it is also advantageous for transmitters 1611 and receivers 1612 to provide possible locations for other elements in electronic device 100 and to reduce the impact on display pixels of electronic device 100. When the emitters 1611 and the receivers 1612 are arranged in a scattered manner, one emitter 1611 may be disposed in the frame region 1312, and one receiver 1612 may be disposed in the display region 1311. One transmitter 1611 may be disposed in the bezel area 1312, and a plurality of receivers 1612 may be disposed in the display area 1311. One transmitter 1611 may be disposed on each of two sides of the bezel area 1312, and one receiver 1612 may be disposed on each of two sides of the display area 1311.

Referring to fig. 5, in some embodiments, the transmitter 1611 and the receiver 1612 are a unitary structure.

Specifically, transmitter 1611 and receiver 1612 structure as an organic whole, and integrative structure makes component overall structure compact for component layout is reasonable under the display screen, reduces circuit process and wiring space, improves the production efficiency of product, reduction in production cost, and the regular convenient maintenance of component layout.

In some examples, the integrated structure may further include an ambient light sensor to further improve the integration of the components.

Referring to fig. 10A or 10B, in some embodiments, the electronic device 100 further includes a second coating layer 15 coated on the bottom surface 132 and covering the receiver 1612, the second coating layer 15 is for transmitting infrared light and intercepting visible light, and the receiver 1612 is for receiving infrared light through the display region 1311 and the second coating layer 15.

Specifically, assembly gaps are generally required to be reserved for installation of the receiver 1612 in the process of technological assembly, so that gaps occur between the receiver 1612 and other elements, visible light enters from the gaps, and the light leakage phenomenon occurs. Therefore, in the direction in which the receiver 1612 and the light-transmitting display screen 13 are stacked, the orthographic projection area of the second coating layer 15 on the lower surface 132 covers the orthographic projection area of the receiver 1612 on the lower surface 132, so that the receiver 1612 can be fully shielded by the second coating layer 15 under the condition that the normal operation of the receiver 1612 is not influenced, and the effect that the receiver 1612 is invisible when the electronic device 100 is viewed from the outside is achieved. The second coating layer 15 may also be an IR ink, and since the IR ink has a characteristic of low transmittance to visible light, the receiver 1612 disposed under the second coating layer 15 is not perceived by the vision of the human eye when the electronic device 100 is viewed from the outside. Meanwhile, the IR ink has the characteristic of high light transmittance to infrared light, so that the receiver 1612 can stably receive the infrared light, and the normal work of the receiver 1612 is ensured.

Referring to fig. 11A or 11B, in some embodiments, electronic device 100 further includes a buffer layer 17 covering lower surface 132 and avoiding receiver 1612.

Specifically, the buffer layer 17 is used to buffer impact force and prevent shock so as to protect the light-transmitting touch panel 12, the light-transmitting display screen 13 and the internal structure thereof, and prevent the display screen from being damaged due to external impact. Cushioning layer 17 may be made of foam or rubber or other soft material. Of course, these cushioning materials are merely exemplary and embodiments of the present invention are not limited in this respect. Furthermore, avoiding the receiver 1612 during the disposing of the buffer layer 17 is to prevent the buffer layer 17 from intercepting the signal received by the receiver 1612, so that the receiver 1612 is not affected in the receiving of the infrared light.

Referring to fig. 12A or 12B, further, in such an embodiment, the electronic device 100 further includes a metal sheet 18 covering the buffer layer 17 and avoiding the receiver 1612.

Specifically, the metal sheet 18 is used for shielding electromagnetic interference and grounding, and has a function of diffusing temperature rise. The metal sheet 18 may be cut out of a metal material such as copper foil or aluminum foil. Of course, these metal materials are merely exemplary and embodiments of the present invention are not limited thereto. Furthermore, avoiding the receiver 1612 during the disposing of the metal sheet 18 prevents the metal sheet 18 from intercepting the signal received by the receiver 1612, so that the receiver 1612 is not affected in the receiving of the infrared light.

Referring to fig. 2, fig. 3 and fig. 14 or fig. 3, fig. 13 and fig. 14, an embodiment of the invention provides a method 30 for manufacturing an electronic device 100, including the following steps:

s301, providing a light-transmitting display 13, where the light-transmitting display 13 includes an upper surface 131 and a lower surface 132, the upper surface 131 and the lower surface 132 are disposed opposite to each other, the light-transmitting display 13 is configured to emit light through the upper surface 131 for displaying, and the lower surface 132 includes a display region 1311 and a frame region 1312 surrounding the display region 1311. And

s302, an infrared sensor 16 is provided, wherein the infrared sensor 16 includes a transmitter 1611 for transmitting infrared light through the frame region 1312 and a receiver 1612 for receiving infrared light through the display region 1311.

Specifically, the electronic device 100 employs the transparent display 13, the infrared sensor 16 may be disposed below the transparent display 13 under the full-screen condition, and the emitter 1611 of the red light sensor 16 is disposed in the frame region 1312, so that the infrared light emitted by the emitter 1611 is prevented from affecting the operating stability of the TFT of the display region 1311, and thus the transparent display 13 and the infrared sensor 16 may realize their functions without interfering with each other. The Light-transmitting display 13 may be an Organic Light-Emitting Diode (OLED) display, and the OLED display has good Light-transmitting property and can pass visible Light and infrared Light. Therefore, the OLED display screen does not influence the infrared sensor to emit and receive infrared light under the condition of showing the content effect. The light-transmitting display screen 13 may also be a Micro LED display screen, and the Micro LED display screen also has good light transmittance for visible light and infrared light. Of course, these display screens are merely exemplary and embodiments of the present invention are not limited in this respect. In addition, the upper surface 131 of the light-transmissive display 13 is used for displaying the content effect by transmitting visible light, and for transmitting infrared light so that the infrared sensor 16 normally emits and receives infrared light.

Referring to fig. 10A and 15 or fig. 10B and 15, in some embodiments, the method 30 for manufacturing the electronic device 100 further includes:

s303, a light-transmissive touch panel 12 is disposed on the light-transmissive display 13. And

s304, a light-transmissive cover plate 11 is disposed on the light-transmissive touch panel 12.

Specifically, the light-transmitting touch panel 12 is mainly used for receiving an input signal generated when a user touches the light-transmitting touch panel 12 and transmitting the input signal to the circuit board for data processing, so as to obtain a specific position where the user touches the light-transmitting touch panel 12. The light-transmitting touch panel 12 and the light-transmitting display screen 13 can be attached by adopting an In-Cell or On-Cell attaching technology, so that the weight of the display screen can be effectively reduced, and the overall thickness of the display screen can be reduced. In addition, the light-transmitting cover plate 11 is disposed on the light-transmitting touch panel 12, so as to protect the light-transmitting touch panel 12 and the internal structure thereof, and prevent the light-transmitting touch panel 12 from being directly damaged by external force.

Referring to fig. 10A and 16 or fig. 10B and 16, in some embodiments, the method 10 for manufacturing the electronic device 100 further includes:

s305, a first coating layer 14 is coated on the bottom surface 132, the first coating layer 14 covers the emitter 1611, and the emitter 1611 is used for emitting infrared light through the first coating layer 14 and the frame region 1312.

Specifically, the first coating layer 14 may employ an IR ink, and since the IR ink has a characteristic of low transmittance to visible light, the emitter 1611 disposed under the first coating layer 14 may not be perceived based on human eye's vision when the electronic device 100 is viewed from the outside. Meanwhile, the IR printing ink has the characteristic of high light transmittance to infrared light, so that the emitter 1611 can stably emit the infrared light, and the normal work of the emitter 1611 is ensured.

Referring to fig. 10A and 17 or fig. 10B and 17, in some embodiments, the method 30 for manufacturing the electronic device 100 further includes:

s306, a second coating layer 15 is coated on the lower surface 132, the second coating layer 15 covers the receiver 1612, and the receiver 1612 is used for receiving the infrared light through the second coating layer 15 and the display area 1311.

Specifically, the second coating layer 15 may also employ an IR ink, which has a characteristic of low transmittance of visible light, so that the receiver 1612 disposed under the second coating layer 15 cannot be perceived based on the vision of the human eye when the electronic device 100 is viewed from the outside. Meanwhile, the IR ink has the characteristic of high light transmittance to infrared light, so that the receiver 1612 can stably receive the infrared light, and the normal work of the receiver 1612 is ensured.

Referring to fig. 11A and 18 or fig. 11B and 18, in some embodiments, the method 30 for manufacturing the electronic device 100 further includes:

s307, the buffer layer 17 is disposed on the lower surface 132, and the buffer layer 17 covers the lower surface 132 and is free from the receptacle 1612.

Specifically, the buffer layer 17 is used to reduce impact and prevent vibration to protect the touch panel and the display screen and the internal structure thereof, thereby preventing the display screen from being damaged due to external impact. Cushioning layer 17 may be made of foam or rubber or other soft material. Of course, these cushioning materials are merely exemplary and embodiments of the present invention are not limited in this respect. The reason why the receiver 1612 is avoided in the process of providing the buffer layer 17 is to prevent the buffer layer 17 from intercepting the signal received by the receiver 1612 so that the receiver 1612 is not affected in the process of receiving the infrared light.

Referring to fig. 12A and 19 or fig. 12B and 19, further, in such an embodiment, step S307 further includes the steps of:

s3071, a metal sheet 18 is disposed under the cushioning layer 17, and the metal sheet 18 covers the cushioning layer 17 and avoids the receptacle 1612.

Specifically, the metal sheet 18 is used for shielding electromagnetic interference and grounding, has a function of diffusing temperature rise, and can be cut from metal materials such as copper foil and aluminum foil to form the metal sheet 18. Of course, these metal materials are merely exemplary and embodiments of the present invention are not limited thereto. In addition, avoiding the receiver 1612 during the process of arranging the metal sheet 18 is to prevent the metal sheet 18 from intercepting the signal received by the receiver 1612, so that the receiver 1612 is not affected in the process of receiving the infrared light.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The above disclosure provides many different embodiments, or examples, for implementing different features of the invention. The components and arrangements of the specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present specification, reference to the description of the terms "one embodiment", "some embodiments", "an illustrative embodiment", "an example", "a specific example", or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An electronic device, the electronic device being a full-screen electronic device, comprising:

the light-transmitting display screen comprises an upper surface and a lower surface opposite to the upper surface, the light-transmitting display screen is used for emitting light through the upper surface to display, and the lower surface comprises a display area and a frame area surrounding the display area; and

the infrared sensor is used for determining the distance between the electronic device and the obstacle according to the time from the emission to the reflection of the infrared light and making corresponding adjustment, and comprises a transmitter used for transmitting the infrared light through the frame area and a receiver used for receiving the infrared light through the display area;

the electronic device further includes:

a first coating layer applied to the lower surface and covering the emitter;

the first coating layer is used for transmitting infrared light and intercepting visible light, and the emitter is used for transmitting the infrared light through the first coating layer and the frame area;

the electronic device further comprises a second coating layer coated on the lower surface and covering the receiver, wherein the orthographic projection area of the second coating layer on the lower surface covers the orthographic projection area of the receiver on the lower surface, and the second coating layer is used for transmitting infrared light and intercepting visible light so as to achieve the effect that the receiver is invisible; the receiver is used for receiving infrared light through the display area and the second coating layer.

2. The electronic device of claim 1, wherein the infrared sensor comprises a proximity sensor comprising a signal emitter to emit infrared light through the first coating layer and the border region and a signal receiver to receive the infrared light reflected by an object to detect a distance of the object from the electronic device.

3. The electronic device of claim 1, wherein the first coating layer comprises an IR ink having a transmittance of greater than 85% for infrared light and a transmittance of less than 6% for visible light, the IR ink transmitting infrared light at a wavelength of 850nm to 940 nm.

4. The electronic device of claim 1, wherein the transmitter and the receiver are of a split configuration.

5. The electronic device of claim 1, wherein the transmitter and the receiver are of unitary construction.

6. The electronic device of claim 1, wherein the light transmissive display screen comprises an OLED display screen.

7. The electronic device according to claim 1, further comprising a light-transmissive touch panel and a light-transmissive cover formed on the light-transmissive touch panel, wherein the light-transmissive touch panel is disposed on the light-transmissive display screen, the upper surface faces the light-transmissive touch panel, and both the light transmittance of the light-transmissive touch panel and the light-transmissive cover for visible light and the light transmittance of the infrared light are greater than 90%.

8. The electronic device of claim 7, wherein the light-transmissive display screen is configured to emit light for display through the display area, and a ratio of an area of the display area to an area of the light-transmissive cover plate is greater than 90%.

9. The electronic device of claim 1, further comprising a buffer layer covering the lower surface and avoiding the receiver.

10. The electronic device of claim 9, further comprising a metal sheet covering the cushioning layer and avoiding the receptor.

11. A method for manufacturing an electronic device, wherein the electronic device is a full-screen electronic device, comprising the steps of:

providing an infrared sensor, determining the distance between the electronic device and the obstacle according to the time from the emission to the reflection of the infrared light and making corresponding adjustment, wherein the infrared sensor comprises a transmitter for transmitting the infrared light through the frame area and a receiver for receiving the infrared light through the display area;

coating a first coating layer on the lower surface, wherein the first coating layer covers the emitter, and the emitter is used for emitting infrared light through the first coating layer and the frame area;

coating a second coating layer on the lower surface, wherein the second coating layer covers the receiver, the orthographic projection area of the second coating layer on the lower surface covers the orthographic projection area of the receiver on the lower surface, and the second coating layer is used for transmitting infrared light and intercepting visible light so as to achieve the effect that the receiver is invisible; the receiver is used for receiving infrared light through the second coating layer and the display area.

12. The method of manufacturing of claim 11, further comprising the steps of:

13. The method of manufacturing of claim 11, wherein a cushioning layer is provided on the lower surface, the cushioning layer covering the lower surface and avoiding the receptor.

14. The method of manufacturing of claim 13, further comprising the steps of: