TWI691068B - Display module and electronic device with the same - Google Patents

Abstract

The present invention provides a display module including a display matrix. The display matrix is formed by a plurality of display units arranged. Each display unit includes at least one micro light emitting diode module and at least one first photoelectric conversion module. The at least one of first photoelectric conversion modules converts light energy into electrical energy.

Description

Display module and electronic device with the display module

The invention relates to the field of display technology, in particular to a display module and an electronic device with the display module.

With the development of technology, the display unit is widely used in electronic devices such as smart glasses. Such electronic devices usually also include other electronic components, such as cameras, processors, Bluetooth modules, and so on. The operation of these electronic components requires the use of batteries for power supply. Due to the presence of at least one power-consuming element, especially the display unit, the battery endurance of the electronic device is challenged.

In view of this, it is necessary to provide a display module with better endurance.

In addition, it is also necessary to provide an electronic device with the display module.

A display module includes a display matrix. The display matrix is formed by arranging a plurality of display units. Each display unit includes at least one miniature light-emitting diode module and at least one first photoelectric conversion module. A photoelectric conversion module is used to convert light energy into electrical energy.

An electronic device includes the above-mentioned display module.

Each display unit in the above display module is provided with a first photoelectric conversion module, It is used to convert light energy into electrical energy, and can be transmitted to a battery of an electronic device for storage to power the electronic device. In this way, the electronic device can convert the absorbed light energy into electrical energy at any time and send it to the battery for storage, so as to ensure its endurance without affecting normal use and convenience.

100: smart glasses

10: Frame

11: Frame

13: temple

15: Connection

20: Lens

30: display module

31: Display unit

311: substrate

313: Micro LED module

315: Light sensor

317: The first photoelectric conversion module

313R, 313G, 313B: Micro LED

40: Processing unit

50: battery

60: Battery control module

70: Filter control module

80: Second photoelectric conversion module

FIG. 1 is an overall schematic diagram of smart glasses according to a preferred embodiment of the present invention.

FIG. 2 is a functional block diagram of the smart glasses shown in FIG. 1. FIG.

FIG. 3 is a schematic diagram of the display module in the smart glasses shown in FIG. 1.

4 is a schematic plan view of each display unit in the display module shown in FIG. 3.

FIG. 5 is a schematic side view of the display unit shown in FIG. 4.

6 is a schematic plan view of each display unit in the display module shown in FIG. 3 in another embodiment.

The technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person with ordinary knowledge in the art without making creative work fall within the protection scope of the present invention.

It should be noted that when an element is called "electrically connected" to another element, it may be directly on another element or there may be an element in the middle. When one component is considered to be "electrically connected," the other component may be contact-connected, for example, by wire connection or non-contact. The contact connection is, for example, a non-contact coupling method.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those with ordinary knowledge in the field. The terminology used in the description of the present invention herein is for the purpose of describing specific embodiments and is not intended to limit the present invention.

The following is a detailed description of some embodiments of the present invention with reference to the drawings. Without conflict, the following embodiments and the features in the embodiments can be combined with each other.

Please refer to FIGS. 1 and 2, a preferred embodiment of the present invention provides a display module 30. The display module 30 is applied to a pair of smart glasses 100. The smart glasses 100 further includes a frame 10, a lens 20 disposed on the frame 10, a processing unit 40, a battery 50, and a battery control module 60.

In this embodiment, the frame 10 includes a frame 11, a temple 13 and a connecting portion 15. The lens 20 is disposed on the lens frame 11. The temple 13 is connected to the frame 11 through the connecting portion 15 and can be folded relative to the frame 11. In this embodiment, the connecting portion 15 may be a connecting structure such as a hinge.

Please refer to FIG. 3 together. The display module 30 is disposed in at least one of the lenses 20. The display module 30 is formed by arranging a plurality of display units 31 to form a display matrix, and then forms the display module 30.

Please refer to FIGS. 4 and 5 together. Each display unit 31 includes a substrate (base material) 311, at least one micro LED module 313, a light sensor 315, and at least one first photoelectric Transformation module 317.

In this embodiment, the substrate 311 refers to a target substrate (eg, a non-homogeneous substrate) for receiving a printable structure such as a semiconductor element. The substrate 311 is a transparent package Including translucent, almost transparent and most transparent. In some embodiments, the material of the substrate 311 may be plastic, glass, metal, or sapphire.

The Micro LED modules 313 are all disposed on the substrate 311. In this embodiment, each display unit 31 includes four Micro LED modules 313. The four Micro LED modules 313 are all disposed on the edge of the substrate 311. Specifically in this embodiment, the four Micro LED modules 313 are respectively disposed on the four corners of the substrate 311. Of course, in other embodiments, the number of the Micro LED modules 313 in each display unit 31 is not limited to four, and the specific number can be adjusted according to specific requirements.

Each Micro LED module 313 includes at least three micro LEDs. For example, in this embodiment, each of the Micro LED modules 313 includes three adjacently arranged micro LEDs. Of course, in other embodiments, the number of the micro LEDs in each of the Micro LED modules 313 is not limited to three, and the specific number can be adjusted according to user needs.

In this embodiment, the at least three micro LEDs are arranged adjacent to each other in a parallel arrangement, a diamond arrangement, a square arrangement, or a diamond shape. Each micro-LED is elongated and emits light mainly in the axial direction. Understandably, in one of the embodiments, each of the Micro LED modules 313 can emit three primary colors of light. That is to say, the three micro LEDs in each of the Micro LED modules 313 can respectively emit light of different primary colors. Specifically, each of the Micro LED modules 313 includes at least a micro LED 313R that can emit red light (R), an LED 313G that can emit green light (G), and a micro LED 313B that can emit blue light (B).

It is understandable that each Micro LED module 313 in the display unit 31 can emit three primary colors of light. Therefore, each Micro LED module 313 can emit visible light, such as white light. Therefore, when the Micro LED module 313 in the display unit 31 emits visible light, all The display unit 31 as a whole has a display function. Of course, each Micro LED module 313 in the display unit 31 can also emit invisible light, such as infrared light. Therefore, the Micro LED module 313 in the display unit 31 can also be used as an infrared light source to irradiate the retina of the user's eyes, so that the Micro LED module 313 in the display unit 31 also has a user's eye scanning function. In this embodiment, the Micro LED module 313 can emit 5%-10% white light and 90% invisible light.

Please refer to FIG. 6. In another embodiment, each of the Micro LED modules 313 includes at least three micro LEDs. For example, in this embodiment, each of the Micro LED modules 313 includes three adjacently arranged micro LEDs. Of course, in other embodiments, the number of the micro LEDs in each of the Micro LED modules 313 is not limited to three, and the specific number can be adjusted according to user needs.

In this embodiment, the at least three micro LEDs are arranged adjacent to each other in a parallel arrangement, a diamond arrangement, a square arrangement, or a diamond shape. Each micro-LED is elongated and emits light mainly in the axial direction. It can be understood that in this embodiment, each micro LED in each of the Micro LED modules 313 can emit the same primary color light. That is to say, the three micro LEDs in each of the Micro LED modules 313 can emit light of the same primary color. For example, the Micro LED module 313 disposed in the upper left corner includes three micro LEDs 313R each emitting red light (R). The Micro LED module 313 installed in the lower left corner includes three LEDs 313G each emitting green light (G). The Micro LED module 313 disposed in the lower right corner includes three micro LEDs 313B each emitting blue light (B).

It is understandable that each Micro LED module 313 in the display unit 31 includes micro LEDs that can respectively emit the same primary light. Therefore, multiple Micro LED modules 313 can emit red light (R), green light (G) and blue light (B) respectively, and then pass through mixed RGB to form white light. Therefore, when the Micro LED module 313 in the display unit 31 emits visible light, the entire display unit 31 has a display function. Of course, each Micro LED module 313 in the display unit 31 can also emit invisible light, such as infrared light. Therefore, the Micro LED module 313 in the display unit 31 can also be used as an infrared light source to irradiate the retina of the user's eyes, so that the Micro LED module 313 in the display unit 31 also has a user's eye scanning function. In this embodiment, the Micro LED module 313 can emit 5%-10% white light and 90% invisible light.

It can be understood that the light sensor 315 is disposed in the middle of the substrate 311 and electrically connected to the processing unit 40 and the battery 50. In this embodiment, the light sensor 315 may be an infrared (IR) image sensor. When the Micro LED module 313 emits infrared light and irradiates the retina of the user's eyes, the light sensor 315 can receive the infrared light reflected back by the user's eyes, and image the retina according to the reflected infrared light, and then Determine the position of the user's eyes and eye movements. In this embodiment, the eye movement may include but is not limited to: eye saccade, gaze, smooth tracking, blinking, and so on.

Understandably, the first photoelectric conversion module 317 is used to convert light energy into electrical energy. In this embodiment, the first photoelectric conversion module 317 is a solar cell. The first photoelectric conversion module 317 is disposed on the substrate 311 without the Micro LED module 313 and other areas of the light sensor 315. In this embodiment, each of the display units 31 includes four first photoelectric conversion modules 317. Each of the first photoelectric conversion modules 317 is respectively disposed between the two Micro LED modules 313, and is disposed around the photo sensor 315.

Understandably, in this embodiment, in each of the display units 31, the Micro The overall area of the LED module 313 is less than 20% of the total area of the substrate 311, the area of the light sensor 315 accounts for approximately 30% of the total area of the substrate 311, the first photoelectric conversion module The total area of the group 317 accounts for approximately 50% of the total area of the substrate 311.

Understandably, in this embodiment, each of the display units 31 is set to be transparent. In this way, when the display module 30 is installed on the lens 20, the lens 20 can be kept transparent, so that the display unit 31 does not affect the user's line of sight.

Please refer to FIG. 2 again. The processing unit 40 is disposed on the frame 10. Specifically, the processing unit 40 is disposed on the temple 13. The processing unit 40 is electrically connected to the Micro LED module 313, the light sensor 315, and the battery control module 60 in each display unit 31. The processing unit 40 is used to control and coordinate the operation of each functional module. In this embodiment, the processing unit 40 is used to receive the data from the light sensor 315 and determine the position of the user's eyes and eye movements. In this way, the processing unit 40 can determine the user's operation instruction according to the correspondence between the user's eye position, eye movements, and pre-stored operation instructions. For example, when an operation of eye gazing at a certain area is detected, the processing unit 40 may recognize the gaze operation as selecting the area. When a blink operation is detected, the processing unit 40 may recognize the blink operation as returning to the previous directory. In a specific implementation, the movement of the eyeball can be combined at the same time, and the current position on the display interface can be used as the selected area to determine the user's choice.

In this embodiment, the battery 50 is a polymer colloidal battery or a graphite thin material battery. The battery 50 is disposed on the frame 10. Specifically, the battery 50 is disposed under the lens frame 11 and is used to supply power to each module of the smart glasses 100.

Understandably, in this embodiment, the battery control module 60 is disposed on the mirror On shelf 10. Specifically, the battery control module 60 is disposed on the temple 13. The battery control module 60 is electrically connected to the first photoelectric conversion module 317 and the battery 50. The battery control module 60 is used to control the power storage of the first photoelectric conversion module 317 to the battery 50.

Understandably, please refer to FIG. 2 again. In this embodiment, the smart glasses 100 further includes a filter control module 70. The filter control module 70 is disposed on the frame 10. Specifically, the filter control module 70 is disposed on the temple 13. The filter control module 70 is electrically connected to the processing unit 40 and the Micro LED module 313. Because the Micro LED module 313 in the display unit 31 can emit visible light and invisible light. Therefore, the filter control module 70 can control the Micro LED module 313 to output invisible light, such as infrared light, under the control of the processing unit 40, so that the display unit 31 also has a user's eye scanning function.

For example, it can be understood that in one embodiment, the processing unit 40 can control all Micro LED modules 313 in one display unit 31 to display images, and control another adjacent one by the filter control module 70 All the Micro LED modules 313 in the display unit 31 emit infrared light, and then cooperate with the light sensor 315 to realize the eye scanning function of the user.

It can be understood that in one embodiment, the processing unit 40 can control a part of the Micro LED modules 313 in each display unit 31 to realize a display function, and the filter control module 70 controls each display unit 31 The remaining Micro LED module 313 emits infrared light, and then cooperates with the light sensor 315 to realize the user's eye scanning function.

Understandably, in one of the embodiments, the processing unit 40 may be controlled first Each Micro LED module 313 in each display unit 31 realizes the display function, and after a preset time point (for example, 1 millisecond), the filter control module 70 controls each of the display units 31 Each Micro LED module 313 emits infrared light, and then cooperates with the light sensor 315 to realize the eye scanning function of the user.

Understandably, in this embodiment, the smart glasses 100 may further include a second photoelectric conversion module 80. The second photoelectric conversion module 80 is electrically connected to the processing unit 40 for converting light energy into electrical energy. In this embodiment, the second photoelectric conversion module 80 may be a solar cell, which is disposed on the frame 10. Specifically, the second photoelectric conversion module 80 is disposed above the lens frame 11 and is used to provide electrical energy to each functional module of the smart glasses 100.

Understandably, in other embodiments, the display module 30 is not limited to the smart glasses 100. The display module 30 can also be applied to any other electronic device that can include a display screen, such as an electronic device that includes a lens or glass, a mobile phone, a personal digital assistant, and the like. When the display module 30 is applied to an electronic device including a lens or glass, the display module 30 may be directly disposed in the lens or glass. In other embodiments, the display module 30 can also be applied to the head up display of the front windshield of the car.

Obviously, each display unit 31 in the display module 30 of the present invention is provided with a first photoelectric conversion module 317 for converting light energy into electrical energy and transmitting it to an electronic device, such as the battery of the smart glasses 100 50 for storage to power the electronic device. In this way, the electronic device can convert the absorbed light energy into electrical energy at any time and send it to the battery 50 for storage, so as to ensure the endurance of the electronic device without affecting normal use and convenience.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. In addition, those skilled in the art can also make other changes within the spirit of the present invention. Of course, these changes made according to the spirit of the present invention should be included in the scope of protection claimed by the present invention.

31: Display unit

311: substrate

313: Micro LED module

315: Light sensor

317: The first photoelectric conversion module

313R, 313G, 313B: Micro LED

Claims (10)

A display module is improved in that the display module includes a display matrix, and the display matrix is formed by arranging a plurality of display units, and each display unit includes at least one miniature light-emitting diode module and at least one first photoelectric A conversion module and a light sensor, at least one of the first photoelectric conversion modules is used to convert light energy into electrical energy, and the light sensor is used when the miniature light emitting diode module emits infrared light and When irradiating the retina of the user's eyes, the infrared light reflected by the user's eyes is received, and the retina is imaged according to the reflected infrared light, and then the position of the user's eyes and eye movements are determined. The display module as described in item 1 of the patent application scope, wherein each of the display units further includes a substrate, at least one of the miniature light-emitting diode modules is disposed at an edge of the substrate, the light sensor The detector is arranged in the middle of the substrate. The display module as described in item 2 of the patent application scope, wherein at least one of the first photoelectric conversion modules is disposed on the substrate without the miniature light-emitting diode module and the light sensor Other areas. The display module according to item 2 of the patent application scope, wherein each of the display units includes four miniature light-emitting diode modules and four first photoelectric conversion modules, and four miniature light-emitting diodes The modules are respectively disposed on the four corners of the substrate, and each of the first photoelectric conversion modules is respectively disposed between the two miniature light-emitting diode modules and surrounds the light sensor Settings. The display module as described in item 2 of the patent application scope, wherein in each of the display units, the overall area of the micro light-emitting diode module is less than 20% of the total area of the substrate. The display module as described in item 1 of the patent application scope, wherein each of the display units is transparent. The display module as described in item 1 of the patent application scope, wherein each of the micro light-emitting diode modules includes at least three micro light-emitting diodes, the at least three micro light-emitting diodes are arranged in parallel, Diamond setting, square setting or diamond setting are adjacent to each other. The display module as described in item 7 of the patent application scope, wherein at least three miniature light-emitting diodes in each of the miniature light-emitting diode modules respectively emit light of different primary colors. The display module as described in item 7 of the patent application scope, wherein at least three miniature light emitting diodes in each miniature light emitting diode module emit the same primary color light. An electronic device is improved in that the electronic device includes the display module according to any one of items 1-9 of the patent application scope.

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