CN111081157A - Display module, screen assembly, electronic equipment, prompting method and shooting method - Google Patents

Display module, screen assembly, electronic equipment, prompting method and shooting method Download PDF

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Publication number
CN111081157A
CN111081157A CN201911346719.XA CN201911346719A CN111081157A CN 111081157 A CN111081157 A CN 111081157A CN 201911346719 A CN201911346719 A CN 201911346719A CN 111081157 A CN111081157 A CN 111081157A
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China
Prior art keywords
ultraviolet
intensity value
display module
area
target
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Pending
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CN201911346719.XA
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Chinese (zh)
Inventor
肖石文
李国林
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Priority to CN201911346719.XA priority Critical patent/CN111081157A/en
Publication of CN111081157A publication Critical patent/CN111081157A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/35Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/42Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/429Photometry, e.g. photographic exposure meter using electric radiation detectors applied to measurement of ultraviolet light
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

The invention provides a display module, a screen assembly, electronic equipment, a prompting method and a shooting method, wherein the display module comprises: the display panel comprises a plurality of light-emitting units; at least one ultraviolet detecting unit, at least one ultraviolet detecting unit sets up in the clearance between a plurality of luminescence units. According to the invention, under the condition that the screen occupation ratio of the display module is not influenced and the display effect of the display panel is not influenced, the ultraviolet irradiation intensity can be detected, so that the additional function of the display module is greatly expanded, and the user experience is improved.

Description

Display module, screen assembly, electronic equipment, prompting method and shooting method
Technical Field
The invention relates to the technical field of electronics, in particular to a display module, a screen assembly, electronic equipment, a prompting method and a shooting method.
Background
In recent years, the ozone layer is seriously damaged, the ultraviolet content of the solar radiation to the ground is increased, and if people are irradiated by excessive and long-term ultraviolet rays, the skin of the light people is suntan, and the skin cancer and cataract of the heavy people are caused, and an immune system is inhibited. With the improvement of living standard, people pay more and more attention to physical health, and especially people who love beauty and people who have long-term outdoor activities do not want to be exposed to the sun for a long time.
The ultraviolet detection device on the market at present is all bigger, generally need carry alone, and if directly take to integrate on electronic equipment, can seriously influence electronic equipment's outward appearance, be unfavorable for electronic equipment's portability.
Disclosure of Invention
The invention provides a display module, a screen assembly, electronic equipment, a prompting method and a shooting method, which can solve the problem that an ultraviolet detection device in the prior art is difficult to be well integrated on the electronic equipment.
In order to solve the technical problem, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a display module, including:
the display panel comprises a plurality of light-emitting units;
at least one ultraviolet detecting unit, at least one ultraviolet detecting unit sets up in the clearance between a plurality of luminescence units.
In a second aspect, an embodiment of the present invention provides a screen assembly, including: the display module is provided.
In a third aspect, an embodiment of the present invention provides an electronic device, including: the screen assembly is described above.
In a fourth aspect, an embodiment of the present invention provides a prompting method applied to the electronic device, including:
acquiring an ultraviolet intensity value detected by at least one ultraviolet detection unit;
determining target reminding information corresponding to the ultraviolet intensity value;
and outputting the target reminding information.
In a fifth aspect, an embodiment of the present invention provides a shooting method applied to the electronic device, where at least one ultraviolet detection unit forms at least one ultraviolet detection area, and the method includes:
when shooting is carried out through the front camera, acquiring an ultraviolet intensity value of a target area corresponding to at least one ultraviolet detection area in a shooting area;
in the preview image, mark information corresponding to the ultraviolet intensity value is displayed in an image region corresponding to the target region.
In the embodiment of the invention, the ultraviolet detection unit is integrated in the display area of the display panel through the at least one ultraviolet detection unit arranged on the display panel and the gaps among the plurality of light-emitting units arranged on the display panel, so that the ultraviolet irradiation intensity can be detected under the condition of not influencing the screen duty ratio of the display module and the display effect of the display panel, thereby greatly expanding the additional functions of the display module and improving the user experience.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a display module according to an embodiment of the invention;
FIG. 2 is a diagram illustrating an exemplary arrangement of an ultraviolet detecting unit and a light emitting unit in a display module according to an embodiment of the present invention;
fig. 3 is a second illustration showing an example of the arrangement of the ultraviolet detecting unit and the light emitting unit in the display module according to the embodiment of the invention;
FIG. 4 is a schematic diagram of an exemplary layout area of the UV detecting units on the display panel in the display module according to the embodiment of the invention;
FIG. 5 is a second exemplary diagram of a layout area of the ultraviolet detecting units on the display panel in the display module according to the embodiment of the invention;
fig. 6 is a schematic flow chart illustrating a prompting method according to an embodiment of the present invention;
fig. 7 is a flowchart illustrating a shooting method according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of a display module according to an embodiment of the present invention.
Referring to fig. 1, an embodiment of the invention provides a display module, which may include: a display panel 110 and at least one ultraviolet ray detection unit 120. The display panel 110 includes a plurality of light emitting units 111; at least one ultraviolet ray detection unit 120 is disposed in a gap between the plurality of light emitting units 111.
In the embodiment of the invention, at least one ultraviolet detection unit 120 is arranged in the gap between the plurality of light-emitting units 111 on the display panel 110, and the ultraviolet detection unit 120 is integrated in the display area of the display panel 110, so that the screen occupation ratio of the display module is not influenced, the display effect of the display panel 110 is not influenced, and meanwhile, the ultraviolet irradiation intensity can be detected, thereby greatly expanding the additional functions of the display module and improving the user experience. Here, when the number of the at least one ultraviolet detection unit 120 is plural, the ultraviolet detection units 120 may be all provided in the same gap formed between the light emitting units, or may be provided in different gaps.
In the embodiment of the present invention, the at least one ultraviolet detecting unit 120 and the plurality of light emitting units 111 respectively operate independently, so that the at least one ultraviolet detecting unit 120 can perform ultraviolet detection regardless of whether the plurality of light emitting units 111 are in an operating state, that is, regardless of whether the display panel 110 is in a bright screen state or a dark screen state.
Optionally, in the embodiment of the present invention, the display Module may be a Liquid Crystal Module (LCM), or the display Module may also be an OLED (Organic Light-Emitting Diode) display Module.
Optionally, in some embodiments of the present invention, the display module further includes: a detection circuit; as shown in fig. 1 to 3, each of the ultraviolet detecting units 120 includes: a first photodiode 121 of a first preset sensitivity and a second photodiode 122 of a second preset sensitivity; the first preset sensitivity is higher than the second preset sensitivity; the first photodiode 121 and the second photodiode 122 are respectively connected to a detection circuit, and the detection circuit determines the ultraviolet intensity value according to a first detection signal of the first photodiode 121 and a second detection signal of the second photodiode 122. In the embodiment of the present invention, a first photodiode 121 with a first preset sensitivity and a second photodiode 122 with a second preset sensitivity are used to perform ultraviolet detection, respectively, the first photodiode 121 senses ultraviolet rays to generate a first detection signal, and the second photodiode 122 senses ultraviolet rays to generate a second detection signal; then, the first detection signal and the second detection signal are respectively obtained through the detection circuit, difference value operation is carried out according to the first detection signal and the second detection signal, and the ultraviolet intensity value is determined, so that visible light can be filtered out, and ultraviolet intensity value detection can be realized without additionally arranging a filter. The first photodiode 121 and the second photodiode 122 are both Ultraviolet (UV) photodiodes.
Alternatively, in the embodiment of the present invention, the ultraviolet ray detection unit 120 is disposed at a distance from the light emitting unit 111. Therefore, the reasonable layout of the ultraviolet detection unit 120 and the light emitting unit 111 in the display panel 110 is facilitated, and the space cost can be saved. Preferably, in the display panel 110, at least one ultraviolet detecting unit 120 may be disposed every four light emitting units 111. Illustratively, as shown in fig. 2, every four light emitting units 111 are disposed around one ultraviolet detecting unit 120, and as shown in fig. 3, every four light emitting units 111 are disposed around two ultraviolet detecting units 120.
The specific arrangement number and the specific arrangement manner of the at least one ultraviolet detection unit 120 in the display panel 110 may be set based on an actual structural design, an ultraviolet emission effect, and the like.
In one example, the number of the at least one ultraviolet detecting unit 120 is one in consideration of design cost, and here, the ultraviolet intensity detection may be implemented by one ultraviolet detecting unit 120.
In some alternative embodiments of the present invention, the number of the at least one ultraviolet ray detection unit 120 may be plural. Here, the ultraviolet ray detection units 120 are disposed around the periphery of each light emitting unit 111, and the ultraviolet ray detection units 120 are arranged in a matrix arrangement. Thus, the detection accuracy can be improved; the light is directional, the ultraviolet detecting units 120 are also directional, and the detection accuracy can be prevented from being affected by the blocking of light by fingers and the like by using a plurality of ultraviolet detecting units 120. Of course, in the embodiment of the present invention, the ultraviolet detecting units 120 may also be arranged in multiple rows and at equal intervals.
In addition, in the embodiment of the present invention, the setting position of the at least one ultraviolet detection unit 120 may be set according to the implementation effect. In one example, as shown in fig. 4, the at least one ultraviolet detecting unit 120 may be laid over the entire display area of the display panel 110, and a shaded portion in fig. 4 is an arrangement area of the at least one ultraviolet detecting unit 120; or, in another example, as shown in fig. 5, the at least one ultraviolet detecting unit may be disposed at a middle region of the display panel, and a shaded portion in fig. 5 is a region where the at least one ultraviolet detecting unit 120 is disposed.
According to the display module provided by the embodiment of the invention, the ultraviolet detection unit is integrated in the display area of the display panel, so that the ultraviolet irradiation intensity can be detected under the condition of not influencing the screen occupation ratio of the electronic equipment and the display effect of the display panel, thereby greatly expanding the additional functions of the display module and improving the user experience.
In addition, an embodiment of the present invention further provides a screen assembly, which may include: the display module is provided.
Furthermore, an embodiment of the present invention provides an electronic device, which may include: the screen assembly is described above.
The electronic device may further include a series of basic components such as an earphone, a speaker, a microphone, and a housing for accommodating each component, which are not described in detail in the embodiment of the present invention. In the embodiment of the invention, the electronic equipment can be a mobile phone or a tablet computer. It is understood that the electronic device is not limited to a mobile phone and a tablet Computer, and may also be an electronic device with a display screen function, such as a Laptop Computer (Laptop Computer) or a Personal Digital Assistant (PDA).
In the embodiment of the invention, the screen assembly with the display module and the electronic equipment with the screen assembly have the advantages that the display module can give consideration to the display effect, the screen occupation ratio and the detection of the ultraviolet irradiation intensity of the display panel, so that the use diversification of the screen assembly and the electronic equipment can be improved, and the use experience of a user is improved.
Referring to fig. 6, a schematic flow chart of a prompting method provided in an embodiment of the present invention is shown, where an embodiment of the present invention provides a prompting method applied to the electronic device, and the prompting method may include the following steps:
step 601, acquiring an ultraviolet intensity value detected by at least one ultraviolet detection unit;
step 602, determining target reminding information corresponding to the ultraviolet intensity value;
step 603, outputting the target reminding information.
In the embodiment of the invention, the electronic equipment detects the ultraviolet intensity through at least one ultraviolet detection unit arranged on the display panel to obtain the ultraviolet intensity value, and determines and outputs corresponding target reminding information based on the corresponding relation between the preset reminding information and the ultraviolet intensity value so as to prompt a user. Therefore, the ultraviolet intensity detection unit integrated on the electronic equipment can be used for detecting the ultraviolet intensity, and the user is prompted based on the detected ultraviolet intensity value, so that the user can carry out ultraviolet protection based on the prompted target prompting information.
Here, the manner of outputting the target reminder information may include, but is not limited to, at least one of a manner of displaying a prompt in text, a manner of displaying a prompt in pattern, and a manner of broadcasting a prompt in voice.
Optionally, in some embodiments of the present invention, in step 602, determining the target reminding information corresponding to the ultraviolet intensity value may include the following steps: acquiring user head information acquired by a front camera; and determining target reminding information according to the user head information and the ultraviolet intensity value. In the embodiment of the invention, in order to realize effective prompt, the head information of the user and the ultraviolet intensity value acquired by the front camera can be combined to determine the corresponding target prompting information. Exemplarily, if the obtained ultraviolet intensity value is in a level of 0-2, determining that the target reminding information is empty, that is, not outputting a prompt; if the obtained ultraviolet intensity value is 3-4 levels and the user does not wear protective equipment (such as a hat or sunglasses) in the obtained head information of the user collected by the front camera, determining that the target reminding information is 'please wear the protective equipment and paint ultraviolet protective products (such as sun cream)'; if the obtained ultraviolet intensity value is 3-4 levels and the user wears protective equipment (such as a hat or sunglasses) in the obtained head information of the user collected by the front camera, determining that the target reminding information is 'please apply ultraviolet protective products (such as sun protection cream)'; if the obtained ultraviolet intensity value is 5-6 grades, the target reminding information is determined to be that the ultraviolet intensity is too high and the target reminding information needs to be moved in a shade, and/or the target reminding information is determined to be that the body is possibly sunburned when the protective tool is worn and ultraviolet protective products (such as sunscreen) are smeared on the body; and if the obtained ultraviolet intensity value is 7-10 levels or more, determining that the target reminding information is 'strong ultraviolet rays' and avoiding going out as much as possible.
According to the prompting method provided by the embodiment of the invention, the ultraviolet intensity detection can be carried out by utilizing the ultraviolet detection unit integrated on the electronic equipment, and the user is prompted based on the detected ultraviolet intensity value, so that the user can carry out ultraviolet protection based on the prompted target prompting information, and the use experience of the user is improved.
Referring to fig. 7, which is a flowchart illustrating a photographing method according to an embodiment of the present invention, the photographing method is applied to the electronic device, and at least one ultraviolet detection unit forms at least one ultraviolet detection area, and the photographing method may include the following steps:
step 701, when shooting is carried out through a front-facing camera, acquiring an ultraviolet intensity value of a target area corresponding to at least one ultraviolet detection area in a shooting area;
step 702 displays marker information corresponding to the ultraviolet intensity value on an image region corresponding to the target region in the preview image.
In the embodiment of the invention, under the condition that the electronic equipment shoots a scene in a shooting area through a front camera, at least one ultraviolet detection area formed by at least one ultraviolet detection unit arranged on a display panel is used for detecting the ultraviolet intensity of a corresponding target area in the shooting area to obtain the ultraviolet intensity value of the target area; and then determining an image area corresponding to the target area of the shooting area in the preview image, and displaying mark information corresponding to the ultraviolet intensity value on the image area, so that the ultraviolet information of the corresponding area can be provided for a user, and the diversified use and interest of the shooting of the electronic equipment are improved.
Optionally, in some embodiments of the present invention, the step 702 of displaying the marking information corresponding to the ultraviolet intensity value on the image area corresponding to the target area in the preview image may include the following steps: determining ultraviolet distribution information in the target area according to the ultraviolet intensity value in the target area; on the image area, mark information corresponding to the ultraviolet ray distribution information is displayed. In the embodiment of the invention, after the ultraviolet intensity value of the target area in the shooting area corresponding to at least one ultraviolet detection area is obtained, the ultraviolet distribution information in the target area can be obtained based on the ultraviolet intensity value in the target area, and then the marking information corresponding to the ultraviolet distribution information is determined according to the ultraviolet distribution information and displayed on the image area, so that a user can know the ultraviolet distribution condition in the target area, and then corresponding protective measures are carried out.
In some optional embodiments of the present invention, the marking information may be color marking information, or alternatively, may be text marking information.
According to the shooting method provided by the embodiment of the invention, when shooting is carried out through the front-facing camera, the ultraviolet intensity value of a target area corresponding to at least one ultraviolet detection area in a shooting area is obtained; the mark information corresponding to the ultraviolet intensity value is displayed on the image area corresponding to the target area in the preview image, so that the ultraviolet information of the corresponding area can be provided for a user, and the diversified use and interestingness of shooting of the electronic equipment are improved.
It should be appreciated that reference throughout this specification to "one embodiment," "an embodiment," or "some embodiments" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment or example of the present invention. Thus, the appearances of the phrases "in one embodiment," "in one embodiment," or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, elements, structures, or features illustrated in one drawing or one embodiment of the invention may be combined in any suitable manner with elements, structures, or features illustrated in one or more other drawings or embodiments.
It should be noted that, in one or more embodiments herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; 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 addition, the present invention may repeat reference numerals and/or letters in the various examples or embodiments. This 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.
Moreover, in the embodiments of the present invention, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. A display module, comprising:
the display panel comprises a plurality of light emitting units;
at least one ultraviolet detecting unit disposed in a gap between the plurality of light emitting units.
2. The display module of claim 1, further comprising: a detection circuit;
each of the ultraviolet detecting units includes: a first photodiode of a first preset sensitivity and a second photodiode of a second preset sensitivity; the first preset sensitivity is higher than the second preset sensitivity;
the first photodiode and the second photodiode are respectively connected with the detection circuit, and the detection circuit determines the ultraviolet intensity value according to a first detection signal of the first photodiode and a second detection signal of the second photodiode.
3. The display module of claim 1, wherein the ultraviolet detection unit is spaced apart from the light emitting unit.
4. The display module as claimed in claim 1, wherein the number of the at least one ultraviolet detecting unit is plural, the ultraviolet detecting unit is disposed around the periphery of each of the light emitting units, and the plural ultraviolet detecting units are arranged in a matrix.
5. A screen assembly, comprising: a display module according to any one of claims 1 to 4.
6. An electronic device, comprising: the screen assembly of claim 5.
7. A prompting method applied to the electronic device as claimed in claim 6, comprising:
acquiring an ultraviolet intensity value detected by the at least one ultraviolet detection unit;
determining target reminding information corresponding to the ultraviolet intensity value;
and outputting the target reminding information.
8. The method of claim 7, wherein determining the target reminder information corresponding to the ultraviolet intensity value comprises:
acquiring user head information acquired by a front camera;
and determining the target reminding information according to the user head information and the ultraviolet intensity value.
9. A photographing method applied to the electronic device according to claim 6, wherein the at least one ultraviolet detection unit constitutes at least one ultraviolet detection area, the method comprising:
when shooting is carried out through the front camera, acquiring an ultraviolet intensity value of a target area corresponding to the at least one ultraviolet detection area in a shooting area;
and displaying mark information corresponding to the ultraviolet intensity value on an image area corresponding to the target area in the preview image.
10. The imaging method according to claim 9, wherein the displaying of the marker information corresponding to the ultraviolet intensity value on the image area corresponding to the target area in the preview image includes:
determining ultraviolet distribution information in the target area according to the ultraviolet intensity value in the target area;
and displaying mark information corresponding to the ultraviolet distribution information on the image area.
CN201911346719.XA 2019-12-24 2019-12-24 Display module, screen assembly, electronic equipment, prompting method and shooting method Pending CN111081157A (en)

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CN113358217A (en) * 2021-05-18 2021-09-07 北京优彩科技有限公司 Ultraviolet intensity detection method and device

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CN108734134A (en) * 2018-05-22 2018-11-02 京东方科技集团股份有限公司 Fingerprint identification device
CN108877654A (en) * 2018-06-29 2018-11-23 联想(北京)有限公司 Electronic equipment and information processing method
CN208861643U (en) * 2018-09-17 2019-05-14 维沃移动通信有限公司 Screen assembly and terminal

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CN101424569A (en) * 2008-10-17 2009-05-06 华南师范大学 Ultraviolet intensity fluorescent differential detecting method and apparatus
CN103167229A (en) * 2011-12-15 2013-06-19 富泰华工业(深圳)有限公司 Electronic device with ultraviolet detection function and method
CN105241547A (en) * 2015-10-10 2016-01-13 京东方科技集团股份有限公司 Display panel, display device and method for detection intensity of ultraviolet ray
CN105824136A (en) * 2016-04-27 2016-08-03 京东方科技集团股份有限公司 Spectacles frame and spectacles
CN107655567A (en) * 2017-09-19 2018-02-02 广东小天才科技有限公司 Ultraviolet early warning method and device, wearable device and storage medium
CN108509083A (en) * 2018-04-08 2018-09-07 北京小米移动软件有限公司 Display panel and terminal
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113358217A (en) * 2021-05-18 2021-09-07 北京优彩科技有限公司 Ultraviolet intensity detection method and device

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Application publication date: 20200428