CN112903251B - Measuring device and method for retina safety improvement index - Google Patents
Measuring device and method for retina safety improvement index Download PDFInfo
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- CN112903251B CN112903251B CN201911231017.7A CN201911231017A CN112903251B CN 112903251 B CN112903251 B CN 112903251B CN 201911231017 A CN201911231017 A CN 201911231017A CN 112903251 B CN112903251 B CN 112903251B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention mainly discloses a measuring device and a method for retina safety improvement indexes, wherein the device mainly comprises: a light receiving unit, a first processing unit and a second processing unit. During normal operation, the light receiving unit receives a visible light and a processed visible light which is subjected to blue light resisting processing by a blue light resisting unit. On the other hand, the first processing unit is used for calculating the allowable exposure time of the visible light and the processed visible light, and then the second processing unit can further calculate a retina safety improvement index corresponding to the blue light resisting unit. With such a design, a general consumer only needs to use the measuring device for the retina safety improvement index to measure the retina safety improvement index of any commercially available blue-light-resistant product, so as to know how much eye protection effect the blue-light-resistant product has according to the retina safety improvement index, and does not need to watch an unfamiliar spectrogram and understand the meaning represented by the percentage value of the filtered blue light.
Description
Technical Field
The invention relates to the technical field related to eye protection index calculation, in particular to a device and a method for measuring retina safety improvement indexes.
Background
It is known that natural light is divided into visible light and invisible light, wherein infrared rays and ultraviolet rays belong to invisible light, and red, orange, yellow, green, blue, indigo, and violet rays belong to visible light. The retina is an important part of the human eye, which converts light signals into nerve signals. It should be noted that sunlight is natural light having a continuous spectrum and including the entire visible light region, and fig. 1 shows a spectrum diagram of sunlight. White light LEDs are the mainstream artificial light emitting devices, and have been widely used in various lamps, backlight modules, and self-luminous display panels. Fig. 2 shows a spectrum diagram of a white LED. From fig. 1 and fig. 2, it can be seen that the sunlight is a continuous spectrum, while the spectrum of the white LED is discontinuous and only includes a visible light region of 430nm to 680 nm. Further, from the spectrum of sunlight, the intensity of green light is higher than that of blue light. In contrast, the spectrum of a white LED contains a high intensity of blue light, and the intensity of blue light is much greater than the intensity of green light.
Incidentally, blue light refers to visible light having a wavelength ranging from 400nm to 500 nm. Moderate blue light can enhance spirit and give a pleasant feeling. However, excessive blue light may cause light damage, interfere with biological clock, and damage to eyes, and severe cases may cause macular degeneration of eyes. The spectral diagram of fig. 2 has shown that the most widely used white LED contains high intensity blue light, and thus, as people use 3C electronic products containing white LED elements for an increasing time, ophthalmologists, eyeglass manufacturers, and lamp manufacturers do not have a hot topic of not contributing to the promotion of eye injury by blue light.
Anti-blue light lenses, anti-blue light screen detectors (Anti blue light screen detectors), and Anti-blue light App programs are the most widely used Anti-blue light solutions at the present time. Fig. 3 is a perspective view showing a conventional glasses using a blue light-resistant lens. On the other hand, FIG. 4 shows two spectra. As shown in the spectrum diagram (a) of fig. 4, the intensity of the blue light component contained in the spectrum of an artificial white light is larger than the intensity of the light of the other wavelength bands before passing through the blue light-resistant lens 11 'mounted on the eyeglasses 1' shown in fig. 3. After passing through the blue-light-resistant lens 11', the intensity of the blue light component contained in the spectrum of the artificial white light is drastically reduced and is smaller than that of the light of the other wavelength bands, as shown in the spectrum (b) of fig. 4. Generally, the optician expresses the blue light blocking capability of the blue light resistant lens 11 'in percentage value, or uses a spectrometer to measure the spectrogram (a) and (b) of fig. 4 to prove the blue light blocking capability of the blue light resistant lens 11'.
Unfortunately, the above percentage values and the spectrogram can only be used to represent or confirm the blue light blocking capability of the commercially available blue light resistant lenses or blue light resistant eye protection patches, and the typical consumer cannot know how much the blue light resistant solutions can provide the eye with safety protection from the data, and the authenticity of the blue light blocking capability of the commercially available blue light resistant lenses or blue light resistant eye protection patches remains uncertain.
As can be seen from the above description, there still is no index for indicating the eye safety protection effect of any one of the anti-blue light schemes, so that a user (consumer) can exactly know how much the anti-blue light scheme selected by the user can protect the eyes according to the index. In view of the above, the inventors of the present invention have made intensive studies and finally developed a device and a method for measuring a safety enhancement index of a retina according to the present invention.
Disclosure of Invention
The main objective of the present invention is to provide a device and a method for measuring a safety enhancement indicator of retina, wherein the device for measuring a safety enhancement indicator of retina mainly comprises: a light receiving unit, a first processing unit and a second processing unit. During normal operation, the light receiving unit receives a visible light and a processed visible light which is subjected to blue light resisting processing by a blue light resisting unit. On the other hand, the first processing unit is used for calculating the allowable exposure time of the visible light and the processed visible light, and then the second processing unit can further calculate a retina safety improvement index corresponding to the blue light resisting unit. By adopting the design, a common consumer only needs to use the measuring device for the retina safety improvement index to measure the retina safety improvement index of any commercially available blue light resistant product, so that the eye protection effect of the blue light resistant product can be known according to the ground, an unfamiliar spectrogram is not needed to be watched, and the meaning represented by the blue light filtering percentage value is not needed to be understood.
To achieve the above object, the present invention provides an embodiment of a device for measuring a retina safety improvement index of a blue light resisting unit, including:
a light receiving unit for receiving a visible light and a processed visible light subjected to an anti-blue light process by the anti-blue light unit;
a first processing unit, coupled to the light receiving unit, for receiving the visible light and the processed visible light through the light receiving unit, so as to calculate a first allowable exposure time (MPE) of the visible light and a second allowable exposure time of the processed visible light; and
a second processing unit for calculating the retina safety promotion index according to the first allowable exposure time and the second allowable exposure time.
In an embodiment of the apparatus for measuring a safety enhancement indicator of a retina of the present invention, the apparatus further includes:
a main control unit coupled to the light receiving unit, the first processing unit and the second processing unit for controlling the light receiving unit, the first processing unit and the second processing unit;
a display unit coupled to the main control unit and controlled by the main control unit to display the first allowable exposure time, the second allowable exposure time and/or the retina safety promotion index;
an input unit coupled to the main control unit, so that a user can input at least one parameter and/or at least one control command to the main control unit through the input unit; and
and the communication unit is coupled with the main control unit, so that the main control unit can communicate with an external electronic device through the communication unit.
In a possible embodiment, the blue light resisting unit may be any one of the following: the blue light resistant lens, the blue light resistant screen protection patch, the blue light resistant planar lamp protection patch, or the blue light resistant non-planar lamp protection cover member.
In a practical embodiment, the device for measuring the safety enhancement indicator of the retina of the present invention may be any one of the following devices: a desktop spectrometer, a handheld spectrometer, a smart phone with an embedded Micro-spectrometer sensor, a smart phone with an external spectrometer, a tablet computer with an embedded Micro-spectrometer sensor, a tablet computer with an external spectrometer, a laptop computer with an embedded Micro-spectrometer sensor, a laptop computer with an external spectrometer, an All-IN-ONE (All-IN-ONE) computer with an embedded Micro-spectrometer sensor, an All-IN-ONE computer with an external spectrometer, or a desktop computer with an external spectrometer.
In the embodiment of the device for measuring retinal safety improvement indicators according to the present invention, the main control unit is included in a microprocessor, and the first processing unit and the second processing unit are compiled into at least one application program in the form of a function library, a variable or an operand, and then built in the microprocessor.
In an embodiment of the apparatus for measuring a retina safety improvement index of the present invention, the display unit is a touch display, and the input unit includes a plurality of keys.
In an embodiment of the apparatus for measuring a retinal safety improvement index of the present invention, the communication unit is a wired transmission interface or a wireless transmission interface.
To achieve the above object, the present invention provides an embodiment of a method for measuring a retina safety improvement index of a blue light resisting unit, comprising the following steps:
(1) A light receiving unit receives a visible light and a processed visible light which is processed by the blue light resisting unit to perform blue light resisting processing;
(2) Receiving the visible light and the processed visible light through the light receiving unit using a first processing unit, thereby calculating a first allowable exposure time (MPE) of the visible light and a second allowable exposure time of the processed visible light; and
(3) And calculating the retina safety improvement index by using a second processing unit according to the first allowable exposure time and the second allowable exposure time.
In an embodiment of the method for measuring a safety enhancement indicator of a retina of the present invention, the method further includes the following steps:
(4) And controlling a display unit to display the first allowable exposure time, the second allowable exposure time and/or the retina safety improvement index by using a main control unit.
Drawings
FIG. 1 shows a spectrum of sunlight;
FIG. 2 shows a spectrum diagram of a white LED;
FIG. 3 is a perspective view of a pair of glasses using blue-ray resistant lenses;
FIG. 4 shows two spectra;
FIG. 5 is a perspective view of a device for measuring safety enhancement indicators of retina according to the present invention;
FIG. 6 is a block diagram of a retina safety enhancement indicator measuring device according to the present invention;
FIG. 7 shows a perspective view of a blue light resisting unit and a pair of glasses;
FIG. 8 shows a perspective view of an anti-Blu-ray unit and a smart phone;
FIG. 9 is a perspective view of a blue light resisting unit and a notebook computer;
FIG. 10 shows a perspective view of an anti-blue light unit and a computer screen;
FIG. 11 is a perspective view of another embodiment of the device for measuring retinal safety enhancement indicators of the present invention; and
fig. 12 is a flowchart illustrating a method for measuring a retinal safety improvement index according to the present invention.
Wherein, the reference numbers:
1. measuring device for retina safety promotion index
10. Microprocessor
100. Main control unit
101. A first processing unit
102. Second processing unit
11. Light receiving unit
13. Display unit
14. Input unit
15. Communication unit
2. Anti-blue light unit
G glasses
G1 Lens
G2 Lens
E1 Intelligent mobile phone
E2 Notebook computer
E3 Computer screen
E4 White light LED desk lamp
S1-S4 steps
1' glasses
11' blue light resistant lens
Detailed Description
In order to more clearly describe the device and method for measuring the safety enhancement index of retina, the preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 5 is a perspective view of a device for measuring a retinal safety enhancement indicator according to the present invention, and fig. 6 is a block diagram of the device for measuring a retinal safety enhancement indicator according to the present invention. It is noted that fig. 5 also shows a pair of glasses G, and a lens G1 of the glasses G does not have the blue light resisting function. Specifically, the other lens G1 of the glasses G is a blue light resistant unit (lens) 2, and the measuring device 1 of the present invention is used to measure a Retina safety improvement index (Retina safety improvement index) of the blue light resistant unit 2. As shown in fig. 5 and 6, the measuring device 1 for the safety enhancement index of retina of the present invention mainly comprises: a microprocessor 10, a light receiving unit 11, a display unit 13, an input unit 14, and a communication unit 15.
The microprocessor 10 includes a main control unit 100, a first processing unit 101 coupled to the main control unit 100, and a second processing unit 102 coupled to the main control unit 100. As shown in fig. 7, the main control unit 100 controls the light receiving unit 11 to receive a visible light and a processed visible light after performing an anti-blue light process by the anti-blue light unit 2. The first processing unit 101 is coupled to the light receiving unit 11. Under the control of the main control unit 100, the first processing unit 101 receives the visible light and the processed visible light through the light receiving unit 11, thereby calculating a first allowable exposure time (MPE) of the visible light and a second allowable exposure time of the processed visible light.
More specifically, the second processing unit 102 is configured to further calculate the retinal safety enhancement indicator according to the first allowable exposure time and the second allowable exposure time. ANSI Z136.1 has specified how to calculate allowable exposure time (MPE), thereby specifying the safety of use of various light sources. The ANSI is an abbreviation of American National Standard (ANSI). It is particularly emphasized that the technical feature of the present invention is to measure the retinal safety improvement index of any commercially available blue-light-resistant unit 2, for example, fig. 5 shows that the blue-light-resistant unit 2 can be a lens G2. Of course, the blue light resisting unit 2 is not limited to the lens G2, and may be a blue light resisting screen protection patch, a blue light resisting planar lamp protection patch, or a blue light resisting non-planar lamp protection cover.
Therefore, in a possible embodiment, the first processing unit 101 may be enabled to directly use the calculation manner of ANSI Z136.1 to calculate the first allowable exposure time (MPE) of the visible light and the second allowable exposure time of the processed visible light. Of course, in order to save the computation time of the microprocessor 10 and thus avoid occupying too much computational resources, the first processing unit 101 may be caused to calculate the first allowable exposure time and the second allowable exposure time by using the following two mathematical expressions:
in the above formulae (1) and (2), E B Is a blue light hazard index, B (λ) is a blue light hazard function, and E λ Is the irradiance (irradiance). The MPE calculated by the above equations (1) and (2) is an allowable exposure time in seconds (second). After obtaining the first allowable exposure time of the visible light and the second allowable exposure time of the processed visible light, the second processing unit 102 may further calculate the Retina safety improvement index (Retina safety improvement index) according to the first allowable exposure time and the second allowable exposure time. In an exemplary embodiment, the second processing unit 102 may be caused to calculate the retinal safety improvement indicator by using the following mathematical expression:
RSI using the above formula (3) is a safety enhancement indicator of retina, which has no unit and thus can be regarded as a ratio (i.e., magnification). In short, the retinal safety improvement indicator is a ratio of the second allowable exposure time of the processed visible light to the first allowable exposure time of the visible light. It should be noted that fig. 6 also shows that the measuring apparatus 1 for improving the safety of retina of the present invention further includes a display unit 13, an input unit 14 and a communication unit 15. It should be understood that the display unit 13 is coupled to the main control unit 100 and controlled by the main control unit 100 to display the first allowable exposure time, the second allowable exposure time, and/or the retina safety improvement index. On the other hand, the input unit 14 (e.g., a key set) is coupled to the main control unit 100 such that a user can input at least one parameter and/or at least one control command to the main control unit 100 through the input unit 14. Furthermore, the communication unit 15 is coupled to the main control unit 100, so that the main control unit 100 can communicate with an external electronic device through the communication unit 15.
It should be noted that fig. 5 shows the apparatus 1 of the present invention as a hand-held spectrum measuring instrument having a microprocessor 10 including the main control unit 100, the first processing unit 101 and the second processing unit 102. The first processing unit 101 and the second processing unit 102 are compiled into at least one application program in the form of a function library, a variable or an operand, and then built into the microprocessor 10. However, the measuring device 1 for the safety improvement index of retina of the present invention is not limited to a hand-held spectrum measuring instrument. IN a practical embodiment, the measuring device 1 of the present invention may also be a desktop optical spectrum measuring instrument, a smart phone with an embedded Micro-spectrometer sensor, a smart phone with an external optical spectrum measuring instrument, a tablet computer with an embedded Micro-spectrometer sensor, a tablet computer with an external optical spectrum measuring instrument, a notebook computer with an embedded Micro-spectrometer sensor, a notebook computer with an external optical spectrum measuring instrument, an All-IN-ONE (All-IN-ONE) computer with an embedded Micro-spectrometer sensor, an All-IN-ONE computer with an external optical spectrum measuring instrument, or a desktop computer with an external optical spectrum measuring instrument.
It should be understood that, in accordance with different embodiments of the measuring device 1 for retina safety enhancement indicators of the present invention, the display unit 13 shown in fig. 5 may be a touch display, and the communication unit 15 may include a wired transmission interface and/or a wireless transmission interface. On the other hand, fig. 7 shows a perspective view of an anti-blue light unit and a pair of glasses. Although fig. 5 shows that the blue-light resisting unit 2 can be directly used as another lens G2 of the glasses G, in a practical embodiment, as shown in fig. 7, the blue-light resisting unit 2 can be directly presented in the form of a clip-on lens set (clips-on lenses), which is convenient for a user to directly assemble the blue-light resisting unit 2 onto the glasses currently used by the user. In addition, fig. 8 shows a perspective view of an anti-blue light unit and a smart phone, fig. 9 shows a perspective view of an anti-blue light unit and a notebook computer, and fig. 10 shows a perspective view of an anti-blue light unit and a computer screen. As can be seen from fig. 8, 9 and 10, the specific form of the anti-blue light unit 2 may also be a anti-blue light screen protector, which may be attached to the screen of the smart phone E1, the screen of the notebook computer E2 or the computer screen E3 according to different applications. In more detail, the specific form of the blue light resisting unit 2 may also be a blue light resisting planar lamp protecting patch or a blue light resisting non-planar lamp protecting cover.
Examples of the experiments
FIG. 11 is a perspective view of another embodiment of the device for measuring retinal safety enhancement indicators of the present invention. In a first experiment, a white LED desk lamp E4 is first taken, and then a first allowable exposure time (MPE) of a white light emitted from the white LED desk lamp E4 is measured by using the measuring device 1 for retina safety improvement index of the present invention. Then, the anti-blue light planar lamp protection patch of the brand a is adhered to the light emitting surface of the white light LED desk lamp E4, so that the white light emitted by the white light LED desk lamp E4 becomes processed white light after being subjected to an anti-blue light process by the anti-blue light planar lamp protection patch. Then, a second allowable exposure time corresponding to the processed white light is measured by using the measuring device 1 for the retina safety improvement index of the present invention. In the case of performing the standardized calculation, the first allowable exposure time of the white light is 100 seconds, and the second allowable exposure time of the processed white light is 468 seconds, and finally the retina safety improvement index (RSI) of the blue-light resistant planar lamp protection patch of the a brand is calculated to be 4.68.
In a second experiment, the measurement device 1 for the retina safety improvement index of the present invention is used to measure a first allowable exposure time of a white light emitted by the white LED desk lamp E4. Then, the blue-light-resistant planar lamp protection patch of the brand B is adhered to the light-emitting surface of the white light LED desk lamp E4, so that the white light emitted by the white light LED desk lamp E4 becomes processed white light after performing blue-light-resistant processing on the blue-light-resistant planar lamp protection patch. Then, the measurement device 1 for the retina safety improvement index of the present invention is used to measure a second allowable exposure time corresponding to the processed white light. In the case of performing the standardized calculation, the first allowable exposure time of the white light is 100 seconds, and the second allowable exposure time of the processed white light is 870 seconds, and finally the retina safety improvement index (RSI) of the anti-blue light planar lamp protection patch of the a brand is calculated to be 8.7.
From the above description, when any one of the commercially available anti-blue-light products is selected, a general consumer only needs to measure the retinal safety improvement index (RSI) of the anti-blue-light product by using the measuring device 1 for retinal safety improvement index of the present invention, and can know how much eye protection effect the selected anti-blue-light product has by means of the retinal safety improvement index. For example, for the white LED desk lamp E4 without any additional blue light resistant planar lamp protection patch, if the eye protection effect is 1, the eye protection effect of the blue light resistant planar lamp protection patch of the brand a is 4.68, and the eye protection effect of the blue light resistant planar lamp protection patch of the brand B is 8.7. To explain further, if the recommended usage time of the white LED desk lamp E4 is 1 hour, after the planar lamp protection patch for resisting blue light is attached to the brand a (brand B), the recommended usage time can be extended to 4.68 (8.7) hours.
Furthermore, the invention also provides a measuring method of the retina safety improvement index. As can be seen from fig. 5 and 6, the method for measuring the retinal safety enhancement indicator of the present invention is mainly integrated into the microprocessor 10 in a software or firmware manner, and includes a main control program (i.e., the main control unit 100), an allowable exposure time calculation program (i.e., the first processing unit 101), and a retinal safety enhancement indicator program (i.e., the second processing unit 102).
Fig. 12 is a flowchart illustrating a method for measuring a retinal safety improvement index according to the present invention. As shown in fig. 6 and 12, the method flow first performs step S1: a light receiving unit 11 is used to receive a visible light and a processed visible light of an anti-blue light process performed by the anti-blue light unit 2. Next, step S2 is executed: a first processing unit 101 is used to receive the visible light and the processed visible light through the light receiving unit 11, so as to calculate a first allowable exposure time of the visible light and a second allowable exposure time of the processed visible light. Continuously, step S3 is performed: a second processing unit 102 is used to calculate the retinal safety improvement index according to the first allowable exposure time and the second allowable exposure time. Finally, step S4 is performed: the main control unit 100 controls a display unit 13 to display the first allowable exposure time, the second allowable exposure time, and/or the retina safety improvement index.
Thus, the above description has fully and clearly demonstrated the device and method for measuring the safety enhancement index of retina disclosed in the present invention; moreover, from the above, we can see that the present invention has the following advantages:
(1) The present invention mainly uses a light receiving unit 11, a first processing unit 101 and a second processing unit 102 to form a measuring device 1 for retina safety improvement index, which is used to measure a retina safety improvement index of a blue light resisting unit 2. In normal operation, the light receiving unit 11 receives a visible light and a processed visible light after performing an anti-blue light process by the anti-blue light unit 2. On the other hand, the first processing unit 101 is configured to calculate a first allowable exposure time of the visible light and a second allowable exposure time of the processed visible light. Thus, the second processing unit 102 can calculate the safety improvement index of the retina corresponding to the blue light resisting unit 2 according to the first allowable exposure time and the second allowable exposure time.
(2) For general consumers, only by using the measuring device 1 for improving the retinal safety index of the present invention to measure the retinal safety index of any commercially available blue light resistant product (e.g., blue light resistant protective patch), the user can know how much eye protection effect the blue light resistant product has by means of the measured retinal safety index. Therefore, when the measuring device 1 of the present invention is used, consumers may not need to view strange spectrograms or read the hard-to-understand blue light filtering percentage value.
It should be emphasized that the above detailed description is specific to possible embodiments of the invention, but this is not intended to limit the scope of the invention, and equivalents and modifications, which do not depart from the technical spirit of the invention, are intended to be included within the scope of the invention.
Claims (11)
1. A device for measuring a retina safety improvement index of a blue light resisting unit is used for measuring the retina safety improvement index of the blue light resisting unit, and is characterized by comprising:
a light receiving unit for receiving a visible light and a processed visible light subjected to an anti-blue light process by the anti-blue light unit;
a first processing unit, coupled to the light receiving unit, for receiving the visible light and the processed visible light through the light receiving unit, so as to calculate a first allowable exposure time (MPE) of the visible light and a second allowable exposure time of the processed visible light; and
a second processing unit for further calculating the retina safety promotion index according to the first allowable exposure time and the second allowable exposure time;
wherein the first processing unit calculates the first allowable exposure time and the second allowable exposure time using the following mathematical expressions (1) and (2), respectively:
MPE＝100/E B ……………………(2)；
wherein, the second processing unit calculates the Retina safety improvement index (RSI) by using the following mathematical expression (3):
RSI＝MPE/MPE′…………………(3)；
wherein E is B Is a blue light hazard index, B (λ) is a blue light hazard function, E λ MPE is used to represent the second allowable exposure time calculated using the above equation (2), and MPE' is used to represent the first allowable exposure time calculated using the above equation (2).
2. The apparatus of claim 1, wherein the anti-blue light unit is any one of the following: the blue light resistant lens, the blue light resistant screen protection patch, the blue light resistant planar lamp protection patch, or the blue light resistant non-planar lamp protection cover member.
3. The device for measuring retinal safety enhancement indicators of claim 1, further comprising:
a main control unit coupled to the light receiving unit, the first processing unit and the second processing unit for controlling the light receiving unit, the first processing unit and the second processing unit;
a display unit coupled to the main control unit and controlled by the main control unit to display the first allowable exposure time, the second allowable exposure time and/or the retina safety promotion index;
an input unit coupled to the main control unit for a user to input at least one parameter and/or at least one control command to the main control unit through the input unit; and
and the communication unit is coupled with the main control unit, so that the main control unit communicates with an external electronic device through the communication unit.
4. The device for measuring retinal safety enhancement indicators of claim 1, wherein the device for measuring retinal safety enhancement indicators is any one of the following: a desktop spectrometer, a handheld spectrometer, a smart phone with an embedded Micro-spectrometer sensor, a smart phone with an external spectrometer, a tablet computer with an embedded Micro-spectrometer sensor, a tablet computer with an external spectrometer, a laptop computer with an embedded Micro-spectrometer sensor, a laptop computer with an external spectrometer, an All-IN-ONE (All-IN-ONE) computer with an embedded Micro-spectrometer sensor, an All-IN-ONE computer with an external spectrometer, or a desktop computer with an external spectrometer.
5. The apparatus of claim 3, wherein the main control unit is included in a microprocessor, and the first processing unit and the second processing unit are compiled into at least one application program in the form of a library, variables or operands and then built into the microprocessor.
6. The device of claim 3, wherein the display unit is a touch display and the input unit comprises a plurality of buttons.
7. The device of claim 3, wherein the communication unit comprises a wired transmission interface and/or a wireless transmission interface.
8. A method for measuring a retina safety improvement index of a blue light resisting unit is used for measuring the retina safety improvement index of the blue light resisting unit, and is characterized by comprising the following steps:
(1) A light receiving unit receives a visible light and a processed visible light after a blue light resisting process is executed by the blue light resisting unit;
(2) Receiving the visible light and the processed visible light through the light receiving unit using a first processing unit, thereby calculating a first allowable exposure time (MPE) of the visible light and a second allowable exposure time of the processed visible light; and
(3) Calculating the retina safety promotion index according to the first allowable exposure time and the second allowable exposure time by using a second processing unit;
wherein the first processing unit calculates the first allowable exposure time and the second allowable exposure time using the following mathematical expressions (1) and (2), respectively:
MPE＝100/E B ……………………(2)；
wherein, the second processing unit calculates the Retina safety improvement index (RSI) by using the following mathematical expression (3):
RSI＝MPE/MPE′…………………(3)；
wherein, E B Is blue light hazard index, and B (lambda) is blueLight hazard function, E λ MPE is used to represent the second allowable exposure time calculated using the above equation (2), and MPE' is used to represent the first allowable exposure time calculated using the above equation (2).
9. The method of claim 8, further comprising the steps of:
(4) And controlling a display unit to display the first allowable exposure time, the second allowable exposure time and/or the retina safety improvement index by using a main control unit.
10. The method of claim 8, wherein the anti-blue light unit is any one of the following: the blue light resistant lens, the blue light resistant screen protection patch, the blue light resistant planar lamp protection patch, or the blue light resistant non-planar lamp protection cover member.
11. The method of claim 9, wherein the method is applied to an electronic device, and the first processing unit and the second processing unit are compiled into at least one application program in a form of library, variable or operand, and then built into a microprocessor of the electronic device.
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| EP2893310A4 (en) * | 2012-09-10 | 2016-12-28 | Bluelight Analytics Inc | Devices and methods for measuring light |
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