WO2017193776A1 - 光照设备及其使用方法 - Google Patents

光照设备及其使用方法 Download PDF

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Publication number
WO2017193776A1
WO2017193776A1 PCT/CN2017/081024 CN2017081024W WO2017193776A1 WO 2017193776 A1 WO2017193776 A1 WO 2017193776A1 CN 2017081024 W CN2017081024 W CN 2017081024W WO 2017193776 A1 WO2017193776 A1 WO 2017193776A1
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WO
WIPO (PCT)
Prior art keywords
area
contour
light source
light
image
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PCT/CN2017/081024
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English (en)
French (fr)
Inventor
吕学文
任俊媛
林杰
Original Assignee
京东方科技集团股份有限公司
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Priority to US15/742,387 priority Critical patent/US10940328B2/en
Publication of WO2017193776A1 publication Critical patent/WO2017193776A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N5/0613—Apparatus adapted for a specific treatment
    • A61N5/0616—Skin treatment other than tanning
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0077—Devices for viewing the surface of the body, e.g. camera, magnifying lens
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/44—Detecting, measuring or recording for evaluating the integumentary system, e.g. skin, hair or nails
    • A61B5/441—Skin evaluation, e.g. for skin disorder diagnosis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0233—Special features of optical sensors or probes classified in A61B5/00
    • A61B2562/0242—Special features of optical sensors or probes classified in A61B5/00 for varying or adjusting the optical path length in the tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/44—Detecting, measuring or recording for evaluating the integumentary system, e.g. skin, hair or nails
    • A61B5/441—Skin evaluation, e.g. for skin disorder diagnosis
    • A61B5/444—Evaluating skin marks, e.g. mole, nevi, tumour, scar
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0626—Monitoring, verifying, controlling systems and methods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0635—Radiation therapy using light characterised by the body area to be irradiated
    • A61N2005/0642—Irradiating part of the body at a certain distance
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0658—Radiation therapy using light characterised by the wavelength of light used
    • A61N2005/0659—Radiation therapy using light characterised by the wavelength of light used infrared
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0658—Radiation therapy using light characterised by the wavelength of light used
    • A61N2005/0661—Radiation therapy using light characterised by the wavelength of light used ultraviolet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0658—Radiation therapy using light characterised by the wavelength of light used
    • A61N2005/0662—Visible light
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0664—Details
    • A61N2005/0667—Filters

Definitions

  • the present disclosure relates to the field of illumination devices, and more particularly to illumination devices and methods of use thereof.
  • Ultraviolet therapy in the dermatology discipline is a physical therapy technique that uses ultraviolet light to illuminate human skin to treat skin diseases.
  • ultraviolet light therapy is used to directly illuminate human skin by ultraviolet light source.
  • the shape of the irradiated area of the existing ultraviolet light source on the human skin is usually a regular geometric shape such as a circle or a square.
  • the ultraviolet irradiation may damage the skin of the human health area, and the irradiation area of the ultraviolet light source on the human skin cannot cover the human skin.
  • the untreated area to be treated is not effectively treated, and the curative effect is poor.
  • an illumination apparatus comprising: an illumination apparatus body, a light source located on the illumination apparatus body, an optical switching element, and an image recognition module signally coupled to the optical switching element ;
  • the image recognition module is configured to identify a contour of an area to be treated and provide the optical switching element, the optical switching element controlling an outline of an illumination area formed by the light source to be irradiated onto the area to be treated, and the The contour of the area to be treated provided by the image recognition module is matched.
  • a method of using an illumination device comprising the steps of:
  • a profile of the illumination area formed by the light source on the area to be treated is controlled by the optical switching element to match the contour of the area to be treated.
  • FIG. 1 is a schematic structural diagram of an illumination device according to an embodiment of the present disclosure
  • FIG. 2 is a schematic view of a region including a region to be treated according to still another embodiment of the present disclosure
  • FIG. 3 is a schematic view showing a region to be treated and an irradiation region according to still another embodiment of the present disclosure
  • FIG. 4 is a schematic structural diagram of a lighting device according to another embodiment of the present disclosure.
  • FIG. 5 is a schematic structural diagram of a light shielding member according to still another embodiment of the present disclosure.
  • FIG. 6 is a schematic structural view of a light shielding member according to still another embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a first image acquisition module located on a central optical path of a light source according to another embodiment of the present disclosure
  • FIG. 8 is a schematic structural diagram of a lighting device according to another embodiment of the present disclosure.
  • FIG. 9 is a schematic diagram of a region to be treated when a partial region in a region to be treated is provided for rehabilitation in a further embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of a lighting device according to another embodiment of the present disclosure.
  • FIG. 11 is a flow chart of a method of using a lighting device according to another embodiment of the present disclosure.
  • FIG. 12 is a flow chart of a method of using a lighting device according to another embodiment of the present disclosure.
  • FIG. 13 is a block diagram of a method of using a lighting device according to still another embodiment of the present disclosure.
  • FIG. 14 is a block diagram of a method of using a lighting device according to still another embodiment of the present disclosure.
  • 1 light source 2 optical switching elements, 21 light shielding members, 211 first substrate, 212 second substrate, 213 liquid crystal layer, 214 first polarizing plate, 215 second polarizing plate, 216 pixel array substrate, 217 photorefractive crystal, 218 First electrode structure, 219 second electrode structure, 22 control circuit, 3 image recognition module, 31 first image acquisition module, 311 second camera, 32 image processing module, 33 second image acquisition module, 331 first camera, 332 First filter, 4 treatment area or target area, 5 illumination area, 6 health area, 7 beam expansion collimation mechanism, s center light path.
  • the embodiment of the present disclosure provides an illumination apparatus and How to use it.
  • an illumination device comprising: an illumination device body, a light source located on the illumination device body, an optical switching element, and image recognition coupled to the optical switching element a module for identifying an outline of a region to be treated and providing the optical switch element, the optical switch element controlling an outline of an illumination area formed by the light source to be irradiated onto the area to be treated, to The contour of the area to be treated provided by the image recognition module is matched.
  • a method of using an illumination device comprising the steps of: identifying an outline of a region to be treated by an image recognition module and providing the same to an optical switching element; controlling by the optical switching element A light source illuminates the contour of the illuminated area formed on the area to be treated to match the contour of the area to be treated.
  • the contour of the area to be treated is identified by the image recognition module and provided to the optical switching element, and the optical switching element controls the illumination of the light source to the area to be treated according to the contour of the area to be treated provided by the image recognition module.
  • the contour of the region is matched with the contour of the region to be treated, so that when the skin device is treated by the illumination device provided by the present disclosure, the contour of the illumination region of the light source on the region to be treated coincides with the contour of the region to be treated, and the treatment is guaranteed. While treating the area, avoid damage to the skin in healthy areas.
  • the present disclosure is not limited thereto.
  • other embodiments of the present disclosure are also applicable to other application scenarios where it is desirable to adjust the shape, size, and intensity of the illumination area.
  • an embodiment of the present disclosure provides an illumination device including: an illumination device body (not shown), a light source 1 on the illumination device body, an optical switch component 2, and an optical switch The image recognition module 3 to which the component 2 is signal-connected.
  • the image recognition module 3 is for identifying the contour of the area to be treated (or more generally, the target area) 4 on the object to be treated (such as a human body) and providing it to the optical switching element 2, and the optical switching element 2 controls the light source 1 so that the illumination area The contour matches the contour of the area to be treated 4.
  • FIG. 2 is a schematic view showing a region 4 to be treated, for example, when a lesion occurs in human skin, a region 4 to be treated exists on the healthy region 6.
  • 3 is a schematic view showing the region 4 to be treated and the irradiation region 5, that is, the irradiation region 5 surrounded by the healthy region 6 and the region to be treated 4 when the treatment is performed using the illumination device provided by the embodiment of the present disclosure.
  • the outline of the area to be treated 4 can be first recognized by the image recognition module 3 and supplied to the optical switching element 2.
  • the optical switching element 2 controls the contour of the illumination area 5 of the light source 1 in accordance with the contour of the area to be treated 4 provided by the image recognition module 3 so that the contour of the illumination area 5 matches the contour of the area 4 to be treated.
  • the contour of the illumination area 5 matches the contour of the area to be treated 4, that is, the contour shape of the illumination area 5 is consistent with the contour shape and size of the area to be treated 4, or the contour shape is similar and the size is consistent, and during the treatment process.
  • the irradiation area 5 coincides with the area 4 to be treated.
  • the light source 1, the optical switching element 2, and the image recognition module 3 that is signally connected to the optical switching element 2 may be respectively disposed on the main body of the illumination device, and may be directly put into use after being assembled by the manufacturer.
  • the light source 1 can be used to emit light of a predetermined wavelength band, such as emitting ultraviolet light, infrared light, or visible light, and the wavelength band of the light can be selected according to different condition needs. For example, when the illumination device provided by the embodiment of the present disclosure is used to treat a skin disease, ultraviolet light having a wavelength between 200 nm and 400 nm can be emitted by the light source 1.
  • the light source 1, the optical switching element 2, and the image recognition module 3 that is signally coupled to the optical switching element 2 may also be provided in whole or in part separately and have, for example, a standardized modular interface, and may be For example, doctors, nurses, etc.) are put into use after simple assembly.
  • the contour of the area to be treated 4 is identified by the image recognition module 3 and provided to the optical switching element 2, which is provided according to the area to be treated provided by the image recognition module 3.
  • the contour of 4 controls the contour of the illumination area 5 of the light source 1 to match the contour of the area 4 to be treated, so that the contour of the illumination area 5 of the light source 1 can be made when the skin condition is treated using the illumination device provided by some embodiments of the present disclosure.
  • the contour of the area to be treated 4 coincides with the skin of the healthy area 6 while ensuring the therapeutic effect of the area 4 to be treated.
  • the optical switching element 2 when the light source 1 is composed of an array of light-emitting points, the optical switching element 2 includes a control circuit 22, which is respectively connected to the light source 1 and the image recognition module 3, and the control circuit 22 is used to control the array of light-emitting points in the light source 1 according to the contour of the area to be treated 4 such that the contour of the area formed by the array of light-emitting points in the open state matches the contour of the area to be treated 4.
  • the light source control circuit 22 is coupled to the image recognition module 3, and the light source control circuit 22 controls the light-emitting points in the array of light-emitting points of the light source 1 according to the contour of the region 4 to be treated provided by the image recognition module 3. Turning on or off, the contour of the area formed by the array of light-emitting points in the open state is matched with the contour of the area to be treated 4, ensuring that the irradiation area 5 of the light source 1 coincides with the area to be treated 4 during the treatment, and the treatment is guaranteed. While treating the therapeutic effect of the area 4, it is possible to avoid damaging the skin of the healthy area 6.
  • the optical switching element 2 may include a control circuit 22 and a light shielding member 21 .
  • the control circuit 22 is connected to the image recognition module 3 and the light shielding member 21, respectively.
  • the control circuit 22 is configured to control the light shielding member 21 to partially block the light emitted by the light source 1 according to the contour of the area to be treated 4, so that the outline of the illumination area 5 formed by the portion of the light emitted by the light source 1 that is not blocked by the light shielding member 21 is formed. Matches the contour of the area to be treated 4.
  • the light shielding member 21 is disposed between the light source 1 and the region 4 to be treated, and the control circuit 22 controls the light shielding member 21 to partially block the light emitted by the light source 1 according to the contour of the region 4 to be treated.
  • the outline of the illumination area 5 formed by the portion of the light emitted from the light source 1 that is not blocked by the light shielding member 21 matches the contour of the area to be treated 4.
  • the light shielding member 21 is flexible in setting.
  • the light source 1 can emit parallel light
  • the light shielding member 21 can be plate-shaped
  • the light shielding member 21 can be disposed perpendicular to the direction of the light path of the light source 1
  • the maximum light shielding region of the light shielding member 21 can be combined with the maximum light output of the light source 1.
  • the light shielding member 21 can be a liquid crystal display panel
  • the control circuit 22 can be a liquid. Crystal display control circuit.
  • the liquid crystal display control circuit can be used to control the transparent display of a partial area of the liquid crystal display panel according to the contour of the area to be treated 4, the other areas are displayed in black, and the transparent display area matches the area to be treated 4.
  • the liquid crystal display panel may include a first substrate 211, a second substrate 212, a liquid crystal layer 213, a first electrode, and a second electrode.
  • the liquid crystal may be disposed between the first substrate 211 and the second substrate 212.
  • the first electrode may be disposed on the first substrate 211
  • the second electrode may be disposed on the second substrate 212
  • the first electrode and the second electrode may be electrically connected to the liquid crystal display control circuit, respectively.
  • the liquid crystal display control circuit can be configured to apply a voltage to the liquid crystal layer 213 through the first electrode and the second electrode according to the contour of the region 4 to be treated, so that part of the light from the light source 1 is transmitted through the liquid crystal layer 213 to form the illumination region 5, and The contour of the illuminated area 5 matches the contour of the area 4 to be treated.
  • the first electrode and the second electrode may be conductive patterns formed on the first substrate 211 and the second substrate 212, which correspond to sub-pixels formed by liquid crystal, and are controlled by a liquid crystal display control circuit.
  • the voltage on one of the electrodes and the second electrode controls the deflection angle of the liquid crystal molecules, thereby controlling the range of the transparent display area on the liquid crystal display panel.
  • the image containing the region 4 to be treated may be divided into a*b small squares, where a is the number of rows of small squares, and b is the number of columns of small squares, each The side of the small square can be 1 micron, and the liquid crystal display panel can include a*b sub-pixels, and each sub-pixel corresponds to a small square.
  • the liquid crystal display control circuit controls the sub-pixels of the corresponding positions of the liquid crystal display panel to be transparent or opaque according to the contour of the area to be treated 4, so that the illumination area 5 formed by the light transmitted through the liquid crystal display panel coincides with the area to be treated 4.
  • first electrodes and second electrodes may be used. Different voltages are applied to different angles of different liquid crystal molecules, so that the amount of light transmitted by different sub-pixels can be different, thereby controlling the intensity of illumination, and ensuring the use of the therapeutic effect of the embodiments of the present disclosure.
  • the first substrate 211 may be an array substrate
  • the second substrate 212 may be an opposite substrate
  • the first substrate 211 may be an opposite substrate
  • the second substrate 212 may be an array substrate
  • the first electrode may be a pixel electrode
  • the second electrode may be a common electrode, or the first electrode may be a common electrode, and the second electrode may be a pixel electrode.
  • the types of the first substrate 211, the second substrate 212, the first electrode, and the second electrode are not specifically limited. As long as the liquid crystal is disposed between the first substrate 211 and the second substrate 212, the first electrode and the second electrode are divided. The effects of the present disclosure can be achieved by being disposed on the first substrate 211 and the second substrate 212.
  • the liquid crystal display panel may further include a first polarizing plate 214 and a second polarizing plate 215.
  • the first polarizing plate 214 and the second polarizing plate 215 may be disposed outside the first substrate 211 and the second substrate 212, respectively.
  • the first polarizer 214 and the second polarizer 215 may be disposed such that their optical axes are perpendicular.
  • the first polarizing plate 214 can be used to convert the light from the light source 1 into polarized light, and then the polarized light is deflected by the liquid crystal in the polarization direction when the liquid crystal is not charged, so that the polarized light passing through the liquid crystal layer 213 can be The light transmitting effect is formed by the second polarizing plate 215.
  • the optical rotation characteristics of the liquid crystal molecules in the liquid crystal layer 213 disappear, so that the polarization direction of the polarized light is not deflected, so that the light shielding effect cannot be formed by the second polarizing plate 215.
  • the first polarizer 214 and the second polarizer 215 may be disposed such that their optical axes are parallel.
  • the first polarizing plate 214 can be used to convert the light from the light source 1 into polarized light, and then the polarized light is deflected by the liquid crystal in the polarization direction when the liquid crystal is not charged, so that the polarized light passing through the liquid crystal layer 213 cannot be polarized.
  • the light shielding effect is formed by the second polarizing plate 215.
  • the optical rotation characteristics of the liquid crystal molecules in the liquid crystal layer 213 disappear, so that the polarization direction of the polarized light is not deflected, so that the light transmission effect can be formed by the second polarizing plate 215.
  • the first polarizing plate 214, the liquid crystal layer 213, and the second polarizing plate 215 are disposed, it is convenient to control the light intensity at each position in the irradiation region 5 formed by the light source 1.
  • the liquid crystal display control circuit is connected to the image recognition module 3, and the liquid crystal display control circuit controls the pixel area in the liquid crystal display panel according to the contour of the area to be treated 4 provided by the image recognition module 3, A partial area of the liquid crystal display panel is transparently displayed, and other areas are displayed in black, and the transparent display area is transparent, which matches the area within the outline of the area to be treated 4, and the black display area is shielded from light.
  • the light emitted by the light source 1 is irradiated onto the liquid crystal display panel, and part of the light passes through the transparent display area to form an illumination area 5, the outline of the illumination area 5 matches the contour of the area to be treated 4, and the rest of the light is absorbed or reflected by the black display area.
  • the irradiation of the light source 1 is prevented from causing damage to the skin of the healthy area 6.
  • the light shielding member 21 may also be a display panel, and the display panel may include a pixel array substrate 216 and a photorefractive crystal layer.
  • the photorefractive crystal layer may be disposed on the pixel array substrate 216, and the photorefractive crystal layer is located on a side facing the region 4 to be treated, and the photorefractive crystal layer includes a plurality of photorefractive crystals 217, and a plurality of photorefractions.
  • variable crystals 217 are disposed at equal intervals in the gate line scanning direction or the data line scanning direction of the display panel, and the first electrode structure 218 and the second electrode structure 219 are respectively disposed on opposite sides of each of the photorefractive crystals 217, and the first An electrode structure 218 and a second electrode structure 219 are respectively electrically connected to the control circuit 22, and the control circuit 22 can pass through the first electrode structure 218 and the second electrode structure 219 to the photorefractive crystal layer according to the contour of the region 4 to be treated.
  • a voltage is applied to allow a portion of the light from the source 1 to pass through the photorefractive crystal layer to form an illumination region 5.
  • the electrode structure can be shared between two adjacent photorefractive crystals 217.
  • the photorefractive crystal 217 may include barium titanate, potassium citrate, lithium niobate, barium silicate, and the like.
  • the display panel may further include a first polarizing plate 214 and a second polarizing plate 215.
  • the first polarizing plate 214 and the second polarizing plate 215 may be disposed outside the pixel array substrate 216 and the photorefractive crystal layer, respectively.
  • the first polarizer 214 and the second polarizer 215 may be disposed such that their optical axes are perpendicular.
  • the first polarizing plate 214 and the second polarizing plate 215 can be used to convert the light from the light source 1 into polarized light, so that the light passes through the liquid crystal display panel and propagates in a specific direction, which is convenient for controlling the light source 1
  • the intensity of light at each location in the illuminated area 5 is formed.
  • the illumination device may further include a beam expanding collimating mechanism 7 that may be disposed between the light source 1 and the light shielding member 21 for using the light source 1
  • the emitted line light is converted into a face light such that the light source 1 is irradiated to the light in the irradiation area 5 formed on the area to be treated 4 to be uniform.
  • image recognition module 3 may include a first image acquisition module 31 and an image processing module 32.
  • the first image acquisition module 31 can be used to acquire a first image containing the area 4 to be treated.
  • the image processing module 32 can be used to identify the area to be treated 4 from the first image and to determine the contour of the area 4 to be treated.
  • the image processing module 32 is signally connectable to the first image acquisition module 31, and the image processing module 32 can be signally coupled to the optical switching element 2 and collected by the first image acquisition module 31 to include treatment The first image of area 4 (see Figure 2).
  • image processing module 32 may receive the first image, extract image features, and image the treatment area 4 Contrast enhancement processing is performed to make the boundary between the area to be treated 4 and the healthy area 6 more conspicuous. Then, the image processing module 32 extracts the boundary and the chromaticity of the region to be treated 4 as a feature, determines the contour of the region 4 to be treated, and converts the image signal into a digital signal for supply to the optical switching element 2.
  • the optical switching element 2 can control the light source 1 according to the contour of the area 4 to be treated, so that the contour of the illumination area 5 matches the contour of the area to be treated 4, while ensuring the therapeutic effect of the treatment area 4 To avoid damage to the skin of healthy area 6.
  • the first image acquisition module 31 may be located on the central optical path s of the light source 1, and the first image acquisition module 31 may be remote from the central optical path s of the light source 1 when the light source 1 emits light.
  • the center of the area to be treated 4 is located on the central optical path s of the light source 1, in order to ensure that the first image acquisition module 31 collects the first image containing the area 4 to be treated.
  • the first image acquisition module 31 may be located on the central optical path s of the light source 1 because the angle or the like causes the first image distortion, that is, the first image acquisition module 31 is acquiring the first image to the treatment region 4.
  • the first image acquisition module 31 can be away from the central light path s of the light source 1 to prevent the first image acquisition module 31 from affecting the contour of the illumination area 5 formed by the light source 1.
  • the image processing module 32 is from the first The depth calculation is not required when the contour of the area to be treated 4 is identified in the image and the contour of the area to be treated 4 is determined, so that the development difficulty of the image processing module 32 is reduced, thereby reducing the development cost of the illumination device provided by some embodiments of the present disclosure.
  • the illumination device provided by some embodiments of the present disclosure for disease treatment, it is difficult to ensure that the patient does not move because the patient maintains a posture for a long time, and it is difficult to ensure the illumination device provided by the embodiment of the present disclosure.
  • No jitter occurs during use, so there is often a situation in which the irradiation area 5 is misaligned with the area to be treated 4 (see FIG. 3).
  • the position of the irradiation area 5 or the position of the area to be treated 4 needs to be adjusted to It is ensured that the area to be treated 4 matches the irradiation area 5.
  • the position of the adjustment irradiation region 5 is higher than the accuracy of adjusting the position of the region 4 to be treated, when the relative movement between the region 4 to be treated and the irradiation region 5 occurs, the position of the irradiation region 5 can be Make adjustments.
  • the light source 1 may be a light source 1 whose wavelength is adjustable, and emits visible light during a first period of time and ultraviolet light during a second period of time.
  • the first image acquisition module 31 can be configured to acquire a second image including the illumination area 5 and the area to be treated 4 during the first time period.
  • Image processing module 32 can be used to identify the illumination area 5 and the area to be treated 4 from the second image, and to determine the contours of the illumination area 5 and the area to be treated 4, respectively, and to compare the contour of the area to be treated 4 with the position of the contour of the illumination area 5.
  • the position of the illumination area 5 of the light source 1 is controlled by the optical switching element 2 so that the contour of the illumination area 5 is to be treated.
  • the contour of area 4 matches.
  • the light source 1 when the light required for treatment is invisible light, such as ultraviolet light or infrared light, the light source 1 can emit visible light without moving the light source 1 and the area to be treated 4, through the first image acquisition.
  • the module 31 collects the second image including the illumination area 5 formed by the light source 1 and the area to be treated 4, the outlines of the illumination area 5 and the area to be treated 4 are respectively determined and provided to the image processing module 32, and the image processing module 32 can compare Whether the contour of the area to be treated 4 and the position of the contour of the illumination area 5 correspond to each other. If not, the optical switching element 2 can be adjusted according to the position of the contour of the area to be treated 4 and the position of the contour of the illumination area 5.
  • the position of the illumination area 5 is such that the contour of the illumination area 5 matches the contour of the area to be treated 4, and when the contour of the illumination area 5 overlaps the contour of the area to be treated 4, the second time period can be entered, and the light source 1 emits invisible light.
  • the patient is treated to achieve an intermittent adjustment of the illuminated area 5 such that the illuminated area 5 always matches the area 4 to be treated.
  • the first image acquisition module 31 can directly collect the second image including the illumination area 5 of the light source 1 and the area to be treated 4, and then determine the illumination area 5 and the area to be treated 4, respectively.
  • the contour is provided to the image processing module 32, and the image processing module 32 compares whether the contour of the area to be treated 4 and the position of the contour of the illumination area 5 correspond, if not, according to the position of the contour of the area to be treated 4 and the area of the illumination area 5.
  • the position of the contour the adjustment of the optical switching element 2 controls the position of the illumination area 5 of the light source 1 such that the contour of the illumination area 5 matches the contour of the area 4 to be treated.
  • the adjustment of the position of the illumination area 5 of the light source 1 may specifically be: by comparing five points of five consecutive points on the contour of the illumination area 5 with corresponding positions on the contour of the area to be treated 4 The distance between the irradiation area 5 and the center point of the area to be treated 4 is calculated, the adjustment amount required to adjust the position of the irradiation area 5 is acquired, and the position of the irradiation area 5 is adjusted according to the adjustment amount.
  • the present disclosure is not limited to five points, and may be any other number of points.
  • the shape, as shown in FIG. 9 is a schematic diagram of the position of the to-be-treated area 4 and the healthy area 6 when the partial position in the area to be treated 4 is first recovered, and the contour of the area to be treated 4 changes at this time, and accordingly, the irradiation is required.
  • the contour of the region 5 is adjusted.
  • the image processing module 32 re-controls the contour of the illumination region 5 to match the contour of the region to be treated 4 according to the contour of the region to be treated 4 determined by the second image and the contour of the illumination region 5. It is ensured that the illumination area 5 of the light source 1 coincides with the area 4 to be treated.
  • the optical switching element 2 needs to re-control the contour of the illumination area 5 to match the contour of the area to be treated 4 including the following:
  • the optical switching element 2 only needs to control the contour shape of the illumination area 5 to match the contour shape of the area to be treated 4, and is suitable for the case where only a part of the area to be treated 4 recovers first;
  • the optical switching element 2 only needs to control the position of the contour of the illumination area 5 to match the position of the contour of the area to be treated 4, and is suitable for the case where only relative movement between the area to be treated 4 and the contour of the illumination area 5 occurs;
  • the shape and position of the contour of the optical switch element 2 that needs to control the illumination area 5 are both matched to the contour and position of the area to be treated 4, and it is suitable for the relative movement between the area to be treated 4 and the illumination area 5 to occur. There is also a case where a part of the area to be treated 4 is first recovered.
  • the second image acquisition module 33 is configured to collect a third image of the illumination area 5; and the first image acquisition module 31 is further configured to acquire a fourth image that currently includes the area 4 to be treated;
  • the image processing module 32 is configured to identify the illumination area 5 from the third image and determine the contour of the illumination area 5, identify the area to be treated 4 from the fourth image and determine the contour of the area to be treated 4, and compare the area to be treated Whether the contour of 4 corresponds to the contour of the illumination area 5, if not, according to the contour of the area to be treated 4 and the contour of the illumination area 5, the optical switching element 2 is adjusted to control the contour of the illumination area 5 to match the contour of the area to be treated 4. .
  • the second image acquisition module 33 acquires a third image including the illumination area 5, the first image acquisition module 31 captures a fourth image currently containing the area to be treated 4, and the image processing module 32 is from the third
  • the illumination area 5 is identified in the image and the contour of the illumination area 5 is determined, the area to be treated 4 is identified from the fourth image and the contour of the current area 4 to be treated is determined, and then the contour of the illumination area 5 and the contour of the area to be treated 4 are compared.
  • the optical switching element 2 is adjusted to control the contour of the illumination area 5 of the light source 1, so that the contour of the illumination area 5 matches the contour of the area to be treated 4, real-time adjustment of the illumination area 5 is achieved.
  • a method of comparing the contour of the illumination area 5 with the contour of the area to be treated 4 and a method of controlling the contour of the illumination area 5 illuminated by the light source 1 onto the area 4 to be treated may be as described above.
  • the second image acquisition module 33 may include a first camera 311 and a first filter 332.
  • the first filter 332 can be disposed on the light incident side of the external light of the first camera 311, and the first camera 311 can be used to capture the third image through the first filter 332.
  • the first filter is set on the light entrance side of the external light of the first camera 311.
  • the optical device 332 can cause the first camera 311 to capture a third image including only the illumination area 5 formed by invisible light irradiation, and has a simple structure and the acquired third image is relatively clear.
  • the first image capturing module 31 may be a second camera 311, and the first camera 331 and the second camera 311 may be respectively located on both sides of the central optical path s of the light source 1 and photographed.
  • the angle is radially symmetrical with respect to the central optical path s of the light source 1.
  • the central optical path s of the light source 1 refers to the optical path of the light source 1, the center of the light source 1, and the optical path perpendicular to the area to be treated 4, and the first camera 331 and the second camera 311 can be set. Between the optical switching element 2 and the area to be treated 4, the first camera 331 and the second camera 311 are respectively located on both sides of the central optical path s of the light source 1, and the imaging angle is mirror-symmetrical with respect to the central optical path s, and the image processing modules 32 are identical.
  • the contour of the illumination region 5 can be symmetrically processed with respect to the central optical path s of the light source 1, and then the symmetrically treated illumination region can be compared. Whether the contour of 5 corresponds to the contour of the region to be treated 4, no depth calculation is needed during the comparison process, which reduces the development difficulty of the image acquisition module, thereby reducing the development cost of the illumination device provided by some embodiments of the present disclosure.
  • the first camera 331 and the second camera 311 may be cameras with a depth calculation function, such as a depth camera. It may be according to the contour of the area to be treated 4 and the contour of the illumination area 5, the distance between the first camera 331 and the second camera 311, and the distance between the first camera 331 and the second camera 311 and the center of the area to be treated 4, etc. Information, obtained by calculation The relationship between the contour of the region 4 and the contour of the illumination region 5, which in turn controls the contour of the illumination region 5, matches the contour of the region 4 to be treated.
  • some embodiments of the present disclosure provide a method of using a lighting device, which may use an illumination device as described above, which may include the following steps.
  • the contour of the area to be treated (or more generally, the target area) may be identified by an image recognition module and provided to the optical switching element.
  • the image recognition module of the illumination device is identifiably signalably coupled to the optical switching element, and the image recognition module is operable to identify the contour of the area to be treated and provide the identified contour of the area to be treated to the optical switch element.
  • the image recognition module may include a first image acquisition module and an image processing module.
  • the first image acquisition module may be configured to collect a first image including a region to be treated, and the image processing module may be configured to identify a region to be treated from the first image.
  • the contour of the area to be treated can be determined to be provided to the optical switching element.
  • step 102 the contour of the illuminated area of the light source can be controlled by the optical switching element to match the contour of the area to be treated.
  • the optical switching element can be used to control the contour of the illuminated area of the light source to match the contour of the area to be treated, depending on the contour of the area to be treated.
  • the optical switching element may include a light source control circuit, and the contour of the illumination area of the light source controlled by the optical switching element is matched with the contour of the area to be treated provided by the image recognition module, including: controlling the light source
  • the array of light-emitting points is such that the contour of the area formed by the array of light-emitting points in the on state matches the contour of the area to be treated.
  • the light source control circuit may be connected to the image recognition module, and the light source control circuit may be configured to control the light-emitting point in the light-emitting point array of the light source to be turned on or off according to the contour of the area to be treated provided by the image recognition module, so that the light-emitting point in the light-emitting point array is turned on or off.
  • the contour of the region formed by the array of luminous points matches the contour of the region to be treated, ensuring that the irradiation region of the light source coincides with the region to be treated during the treatment, and the treatment effect of the treatment region is ensured while avoiding damage to the healthy region. skin.
  • the optical switching element may include a control circuit and a light shielding member.
  • the control circuit can be signally coupled to the image recognition module, the light blocking member can be disposed between the light source and the area to be treated, and the light blocking member can be electrically coupled to the control circuit.
  • the control circuit can be configured to control the light shielding component to partially block the light emitted by the light source according to the contour of the area to be treated, so that the light source The contour of the illuminated area formed by the portion of the emitted light that is not obscured by the light-shielding member matches the contour of the area to be treated.
  • the light shielding component may be a liquid crystal display panel or a display panel.
  • the contour of the illumination area of the light source controlled by the optical switching element matches the contour of the area to be treated provided by the image recognition module, including: controlling the liquid crystal.
  • Part of the display panel is transparently displayed, other areas are displayed in black, and the transparent display area corresponds to the area within the outline of the area to be treated.
  • the liquid crystal display panel may include: a first substrate, a second substrate, a liquid crystal layer, a first electrode, and a second electrode; the liquid crystal is disposed between the first substrate and the second substrate; the first electrode The second electrode may be disposed on the first substrate, and the first electrode and the second electrode may be respectively electrically connected to the liquid crystal display control circuit, and the liquid crystal display control circuit may be configured to pass the contour of the area to be treated.
  • the first electrode and the second electrode apply a voltage to the liquid crystal layer to allow a portion of the light from the light source to pass through the liquid crystal layer to form an illumination area, and the contour of the illumination area matches the contour of the area to be treated.
  • the first electrode and the second electrode may be conductive patterns formed on the first substrate and the second substrate, which may correspond to sub-pixels formed by the liquid crystal, and controlled by the liquid crystal display control circuit
  • the voltages on the electrodes and the second electrodes control the deflection angle of the liquid crystal molecules, thereby controlling the range of the transparent display regions on the liquid crystal display panel.
  • the image including the area to be treated may be divided into a*b small squares, where a is the number of rows of small squares, b is the number of columns of small squares, and each small square
  • the side length can be 1 micron
  • the liquid crystal display panel includes a*b sub-pixels, and each sub-pixel can correspond to a small square.
  • the liquid crystal display control circuit can control the sub-pixels of the corresponding positions of the liquid crystal display panel to be transparent or opaque according to the contour of the area to be treated, so that the illumination area formed by the light passing through the liquid crystal display panel coincides with the area to be treated.
  • Some embodiments of the present disclosure identify an outline of a region to be treated by an image recognition module and provide the same to an optical switching element that controls the contour of the illuminated area of the light source and the area to be treated according to the contour of the area to be treated provided by the image recognition module.
  • the contours are matched such that when the illuminating device provided by some embodiments of the present disclosure is used to treat the skin disease, the contour of the illuminated area of the light source can be coincident with the contour of the area to be treated, and the damage can be avoided while ensuring the therapeutic effect of the treated area.
  • the skin of a healthy area are examples of the skin disease.
  • a first image containing the region to be treated (or more generally, the target region) may be acquired by the first image acquisition module.
  • the first image acquisition module can be a camera through which a first image of the human skin containing the area to be treated can be captured.
  • step 202 the area to be treated is identified from the first image by the image processing module and the contour of the area to be treated is determined, and the contour of the area to be treated is provided to the optical switching element.
  • the image processing module may receive the first image of the area to be treated acquired by the first acquisition module, extract the image feature, and perform contrast enhancement processing on the image of the treatment area to make the area to be treated.
  • the boundary with the healthy area is more obvious, and then the boundary of the area to be treated and the chromaticity are extracted as features, the outline of the area to be treated is determined, and the image signal is converted into a digital signal and supplied to the optical switching element.
  • step 203 the contour of the illuminated area of the light source can be controlled by the optical switching element to match the contour of the area to be treated.
  • the optical switching element can receive a digital signal provided by the image processing module carrying contour information of the area to be treated, and control the contour of the illumination area of the light source to match the contour of the area to be treated.
  • Some embodiments of the present disclosure identify an outline of a region to be treated by an image recognition module and provide the same to an optical switching element that controls the contour of the illuminated area of the light source and the area to be treated according to the contour of the area to be treated provided by the image recognition module.
  • the contours are matched so that when the skin device is treated by the illumination device provided by the present disclosure, the contour of the illumination area of the light source can be coincident with the contour of the area to be treated, and the skin of the healthy area can be avoided while ensuring the therapeutic effect of the treatment area.
  • some embodiments of the embodiments of the present disclosure provide a method for using a lighting device, and the foregoing lighting device may be applied.
  • the method may include the following steps:
  • a first image containing the region to be treated (or more generally, the target region) may be acquired by the first image acquisition module.
  • the first image acquisition module can be a camera through which a first image of the human skin containing the area to be treated can be captured.
  • step 302 the area to be treated is identified from the first image by the image processing module and the contour of the area to be treated is determined, and the contour of the area to be treated is provided to the optical switching element.
  • the image processing module may receive the inclusion included in the first acquisition module. After the first image of the area to be treated, the image features are extracted, and the image of the treated area is contrast-enhanced to make the boundary between the area to be treated and the healthy area more obvious, and then the boundary and chromaticity of the area to be treated are taken as features. Extracting, determining the contour of the area to be treated, and converting the image signal into a digital signal is supplied to the optical switching element.
  • step 303 the contour of the illuminated area of the light source can be controlled by the optical switching element to match the contour of the area to be treated.
  • the optical switching element receives the digital signal provided by the image processing module carrying the contour information of the area to be treated, and controls the contour of the illumination area of the light source to match the contour of the area to be treated.
  • step 304 visible light can be emitted by the light source.
  • the light source may be a light source with adjustable light wavelength, and may emit visible light in a first period of time, and emit ultraviolet light in a second period of time, and an illumination area of the light source when the light source emits visible light. Both the area to be treated and the area to be treated are visible, and the images can be acquired by the same image acquisition module. Of course, when the light used for treatment is visible light, the light source can simply emit visible light.
  • a second image including the illuminated area and the area to be treated may be acquired by the first image acquisition module.
  • the first image acquisition module may be a camera through which a second image of the human skin including the illumination area and the area to be treated may be captured, and the second image includes illumination under a time node.
  • the area and the area to be treated facilitate visual analysis of whether the contour of the illuminated area matches the contour of the area to be treated.
  • the image processing module may identify the illumination area from the second image and determine the contour of the illumination area, identify the area to be treated and determine the contour of the area to be treated, and compare the contour of the area to be treated with the contour of the area to be treated. Whether the position corresponds to, if not, according to the position of the contour of the area to be treated and the position of the contour of the illumination area, the contour of the illumination area controlled by the optical switching element is adjusted to match the contour of the area to be treated.
  • the image processing module may receive the second image including the area to be treated and the illumination area acquired by the first acquisition module, extract the image feature, and make a contrast between the image of the treatment area and the image of the illumination area.
  • the treatment is enhanced to make the boundary between the area to be treated and the area to be treated and the area of the health more obvious, and then the boundary and the chromaticity of the area to be treated and the boundary and chromaticity of the area to be treated are extracted as features to determine the contour of the area to be treated and the illumination.
  • Some embodiments of the present disclosure may identify an outline of a region to be treated by an image recognition module and provide the optical switch element, and the optical switch element controls the contour of the illumination area of the light source and the area to be treated according to the contour of the area to be treated provided by the image recognition module.
  • the contours are matched so that when the skin device is treated by the illumination device provided by the present disclosure, the contour of the illumination area of the light source can be coincident with the contour of the area to be treated, and the therapeutic effect of the treatment area can be ensured while avoiding damage to the healthy area. skin.
  • some embodiments of the present disclosure provide a method of using a lighting device, which may be applied to the foregoing lighting device, and the method may include the following steps.
  • a first image containing the region to be treated (or more generally, the target region) may be acquired by the first image acquisition module.
  • the first image acquisition module may be a camera through which the first image of the human skin containing the area to be treated may be captured.
  • step 402 the area to be treated is identified from the first image by the image processing module and the contour of the area to be treated is determined, and the contour of the area to be treated is provided to the optical switching element.
  • the image processing module may receive the first image of the area to be treated acquired by the first acquisition module, extract the image feature, and perform contrast enhancement processing on the image of the treatment area to make the area to be treated.
  • the boundary with the healthy area is more obvious, and then the boundary and the chromaticity of the area to be treated are extracted as features, the outline of the area to be treated is determined, and the image signal is converted into a digital signal and supplied to the optical switching element.
  • step 403 the contour of the illuminated area of the light source can be controlled by the optical switching element to match the contour of the area to be treated.
  • the optical switching element can receive a digital signal provided by the image processing module carrying contour information of the area to be treated, and control the contour of the illumination area of the light source to match the contour of the area to be treated.
  • a third image containing the illuminated area may be acquired by the second image acquisition module.
  • the third image including the illumination area may be acquired by the second image acquisition module.
  • the second image acquisition module may include a camera and a filter because the ordinary camera cannot capture the outline of the illumination area formed by the invisible light.
  • the filter can be disposed on the light incident side of the external light of the first camera, and the first camera can be used to capture the third image through the first filter, the structure is simple, and the acquired third image is relatively clear.
  • a fourth image currently containing the area to be treated may be acquired by the first image acquisition module
  • the fourth image including the area to be treated may be acquired by the first image acquisition module to acquire the illumination area at the same time.
  • the second image capturing module may include a first camera and a first filter.
  • the first image capturing module may include a second camera.
  • the first camera and the second camera may be respectively located on two sides of the central light path of the light source, and the shooting angle is relatively
  • the central light path of the light source is symmetrical.
  • the contour of the irradiated illuminating region corresponds to the contour of the region to be treated, and no depth calculation is needed during the comparison process, which reduces the development difficulty of the image capturing module, thereby reducing the development of the illuminating device provided by some embodiments of the present disclosure. cost.
  • the first camera and the second camera may be cameras with a depth calculation function, which may be according to the contour and illumination of the area to be treated.
  • Information such as the contour of the region, the distance between the first camera and the second camera, and the distance between the first camera and the second camera and the center of the region to be treated, and information for obtaining the contour of the region to be treated and the contour of the illuminated region by calculation
  • the first camera and the second camera provide their calculation results to the image processing module.
  • the image processing module may identify the illumination area from the third image and determine the contour of the illumination area, identify the area to be treated from the fourth image, and determine the contour of the area to be treated, and compare by the image processing module. Whether the contour of the area to be treated and the contour of the illuminated area match, and when there is no match, the adjustment optical switch element controls the contour of the illumination area to match the contour of the area to be treated.
  • the image processing module identifies the illumination area from the third image and determines the contour of the illumination area, identifies the area to be treated from the first image and determines the contour of the area to be treated, and then compares the wheel of the area to be treated Whether the profile of the profile and the illuminated area match, and when there is no match, the adjustment of the optical switch element controls the contour of the illumination area to match the contour of the area to be treated, ensuring that the illumination area always coincides with the area to be treated, ensuring that some implementations of the present disclosure are used. The efficacy of the case, and to avoid damage to the skin of healthy areas.
  • Some embodiments of the present disclosure identify an outline of a region to be treated by an image recognition module and provide the same to an optical switching element that controls the contour of the illuminated area of the light source and the area to be treated according to the contour of the area to be treated provided by the image recognition module.
  • the contours are matched such that when the illuminating device provided by some embodiments of the present disclosure is used to treat the skin disease, the contour of the illuminated area of the light source can be coincident with the contour of the area to be treated, and the damage can be avoided while ensuring the therapeutic effect of the treated area.
  • the skin of a healthy area are examples of the skin disease.

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Abstract

一种光照设备及其使用方法，属于光照设备领域。光照设备包括：光源（1），光开关元件（2），以及与光开关元件（2）信号连接的图像识别模块（3）。图像识别模块（3）识别目标区域（4）的轮廓并提供给光开关元件（2），光开关元件（2）根据图像识别模块（3）提供的目标区域（4）的轮廓，控制光源（1）的照射区域（5）的轮廓与目标区域（4）的轮廓匹配，从而在使用该光照设备治疗皮肤病时，可使光源（1）的照射区域（5）的轮廓与目标区域（4）的轮廓重合，在保证对目标区域（4）的治疗效果的同时，避免损伤健康区域的皮肤。

Description

光照设备及其使用方法 技术领域
本公开涉及光照设备领域，特别涉及光照设备及其使用方法。
背景技术
皮肤病学科中的紫外线疗法是利用紫外线照射人体皮肤以治疗皮肤病的一种物理治疗技术，目前通过紫外线疗法治疗皮肤病的过程中均是使用紫外线光源直接照射人体皮肤。
由于人体皮肤上的待治疗区域的形状千变万化，而现有紫外线光源在人体皮肤上的照射区域的形状通常为规则的几何形状，如圆形或方形。当紫外线光源在人体皮肤上的照射区域超出人体皮肤上的待治疗区域时，紫外线照射会使人体健康区域的皮肤受损，而当紫外线光源在人体皮肤上的照射区域不能覆盖人体皮肤上的待治疗区域时，未被照射的待治疗区域又得不到有效的治疗，疗效较差。
发明内容
根据本公开的一方面，提供了一种光照设备，所述光照设备包括：光照设备主体，位于所述光照设备主体上的光源、光开关元件以及与所述光开关元件信号连接的图像识别模块；
所述图像识别模块用于识别待治疗区域的轮廓并提供给所述光开关元件，所述光开关元件控制所述光源照射到所述待治疗区域上形成的照射区域的轮廓，以与所述图像识别模块提供的所述待治疗区域的轮廓匹配。
根据本公开的另一方面，提供了一种光照设备的使用方法，所述方法包括如下步骤：
通过图像识别模块识别待治疗区域的轮廓并提供给光开关元件；
通过所述光开关元件控制光源照射到所述待治疗区域上形成的照射区域的轮廓，以与所述待治疗区域的轮廓匹配。
附图说明
为了更清楚地说明本公开实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本公开一实施例提供的光照设备的结构示意图；
图2是本公开又一实施例提供的包含待治疗区域的示意图；
图3是本公开又一实施例提供的包含待治疗区域和照射区域的示意图；
图4是本公开又一实施例提供的光照设备的结构示意图；
图5是本公开又一实施例提供的遮光部件的结构示意图；
图6是本公开又一实施例提供的遮光部件的结构示意图；
图7是本公开又一实施例提供的第一图像采集模块位于光源的中心光路上的结构示意图；
图8是本公开又一实施例提供的光照设备的结构示意图；
图9是本公开又一实施例提供的待治疗区域中的部分区域先行康复时包含待治疗区域的示意图；
图10是本公开又一实施例提供的光照设备的结构示意图；
图11是本公开又一实施例提供的光照设备的使用方法的流程框图；
图12是本公开又一实施例提供的光照设备的使用方法的流程框图；
图13是本公开又一实施例提供的光照设备的使用方法的流程框图；以及
图14是本公开又一实施例提供的光照设备的使用方法的流程框图。
其中：
1光源，2光开关元件，21遮光部件，211第一基板，212第二基板，213液晶层，214第一偏振片，215第二偏振片，216像素阵列基板，217光折变晶体，218第一电极结构，219第二电极结构，22控制电路，3图像识别模块，31第一图像采集模块，311第二摄像头，32图像处理模块，33第二图像采集模块，331第一摄像头，332第一滤光器，4待治疗区域或目标区域，5照射区域，6健康区域，7扩束准直机构，s中心光路。
具体实施方式
为了至少部分解决或减轻现有技术中通过紫外线光源直接照射人体皮肤时，紫外线光源在人体皮肤上的照射区域超出人体皮肤上的待治疗区域时，会使人体健康区域的皮肤受损，而紫外线光源在人体皮肤上的照射区域不能覆盖人体皮肤上的待治疗区域时，未被紫外线照射的待治疗区域得不到有效治疗，疗效较差的问题，本公开实施例提供了一种光照设备及其使用方法。根据本公开的一些实施例，提供了一种光照设备，所述光照设备包括：光照设备主体，位于所述光照设备主体上的光源、光开关元件以及与所述光开关元件信号连接的图像识别模块；所述图像识别模块用于识别待治疗区域的轮廓并提供给所述光开关元件，所述光开关元件控制所述光源照射到所述待治疗区域上形成的照射区域的轮廓，以与所述图像识别模块提供的所述待治疗区域的轮廓匹配。根据本公开的另一些实施例，提供了一种光照设备的使用方法，所述方法包括如下步骤：通过图像识别模块识别待治疗区域的轮廓并提供给光开关元件；通过所述光开关元件控制光源照射到所述待治疗区域上形成的照射区域的轮廓，以与所述待治疗区域的轮廓匹配。
根据本公开的一些实施例，通过图像识别模块识别待治疗区域的轮廓并提供给光开关元件，光开关元件根据图像识别模块提供的待治疗区域的轮廓，控制光源照射到待治疗区域上的照射区域的轮廓与待治疗区域的轮廓匹配，从而使得使用本公开提供的光照设备治疗皮肤病时，可使光源在待治疗区域上的照射区域的轮廓与待治疗区域的轮廓重合，在保证对待治疗区域的治疗效果的同时，避免损伤健康区域的皮肤。
为使本公开的至少一些目的、技术方案和优点更加清楚，下面将结合附图对本公开一些实施例的实施方式作进一步地详细描述。
此外，虽然以下实施例均涉及医疗领域，但本公开不限于此。事实上，本公开的另一些实施例也适用于需要调整照射区域形状、大小、强度的其他应用场景。例如，在舞台演出时，可能需要调整舞台灯光的可见光照射区域的形状、大小、颜色、强度等，以实现对灯光的实时效果调整。又例如，在夜晚或暗室内的秘密军事行动时，可能需要调整作战人员身上携带的夜视仪的红外辅助光源的照射区域的形状、大小、强度等，以在实现夜间视觉的同时避免被人发现、 打草惊蛇等。
如图1所示，本公开实施例提供了一种光照设备，该光照设备包括：光照设备主体(图中未示出)，位于光照设备主体上的光源1、光开关元件2以及与光开关元件2信号连接的图像识别模块3。
图像识别模块3用于识别被治疗对象(如人体)上的待治疗区域(或更一般地，目标区域)4的轮廓并提供给光开关元件2，光开关元件2控制光源1，使得照射区域的轮廓与待治疗区域4的轮廓匹配。
其中，如图2所示为包含待治疗区域4的示意图，例如，人体皮肤出现病变时，健康区域6上存在待治疗区域4。如图3所示为包含待治疗区域4和照射区域5的示意图，也即使用本公开实施例提供的光照设备进行治疗时，由健康区域6所包围的照射区域5与待治疗区域4。
在使用本公开实施例提供的光照设备时，可以先通过图像识别模块3识别出待治疗区域4的轮廓并将其提供给光开关元件2。光开关元件2根据图像识别模块3提供的待治疗区域4的轮廓，控制光源1的照射区域5的轮廓，以使照射区域5的轮廓与待治疗区域4的轮廓匹配。其中，照射区域5的轮廓与待治疗区域4的轮廓匹配是指照射区域5轮廓形状与待治疗区域4的轮廓形状及大小均一致，或者轮廓形状相似且大小一致，且在进行治疗的过程中，照射区域5与待治疗区域4重合。
在本公开一些实施例中，光源1、光开关元件2以及与光开关元件2信号连接的图像识别模块3可以分别设置在光照设备主体上，并可由厂家组装完成后直接投入使用。在一些实施例中，光源1可用于发出预设波段的光线，如发出紫外光、红外光或可见光，可根据不同的病症需要而选择光线的波段。例如，当本公开实施例提供的光照设备用于治疗皮肤病时，可通过光源1发出波长在200纳米到400纳米之间的紫外光。此外，在本公开的另一些实施例中，光源1、光开关元件2以及与光开关元件2信号连接的图像识别模块3也可以全部或部分单独提供并具有例如标准化模块接口，并可由用户(例如，医生、护士等)通过简单的组装后再投入使用。
在本公开的一些实施例中，通过图像识别模块3识别待治疗区域4的轮廓并提供给光开关元件2，光开关元件2根据图像识别模块3提供的待治疗区域 4的轮廓，控制光源1的照射区域5的轮廓与待治疗区域4的轮廓匹配，从而使得在使用本公开一些实施例提供的光照设备治疗皮肤病时，可使光源1的照射区域5的轮廓与待治疗区域4的轮廓重合，在保证对待治疗区域4的治疗效果的同时，避免损伤健康区域6的皮肤。
如图4所示，在本公开的一些实施例中，当光源1由发光点阵列组成时，光开关元件2包括控制电路22，控制电路22分别与光源1和图像识别模块3连接，控制电路22用于根据待治疗区域4的轮廓，控制光源1中的发光点阵列，使得开启状态的发光点阵列形成的区域的轮廓与待治疗区域4的轮廓匹配。
在本公开的一些实施例中，光源控制电路22与图像识别模块3信号连接，光源控制电路22根据图像识别模块3提供的待治疗区域4的轮廓，控制光源1的发光点阵列中的发光点开启或关闭，使得处于开启状态的发光点阵列形成的区域的轮廓与待治疗区域4的轮廓匹配，保证在进行治疗的过程中，光源1的照射区域5与待治疗区域4重合，在保证对待治疗区域4的治疗效果的同时，避免损伤健康区域6的皮肤。
如图1所示，在本公开的一些实施例中，当光源1为普通光源1或普通光源1与导光板的组合结构时，光开关元件2可包括控制电路22与遮光部件21。
控制电路22分别与图像识别模块3和遮光部件21连接。控制电路22用于根据待治疗区域4的轮廓，控制遮光部件21对光源1发出的光线进行部分遮挡，使光源1发出的光线中未被遮光部件21遮挡的部分所形成的照射区域5的轮廓与待治疗区域4的轮廓匹配。
在本公开的一些实施例中，遮光部件21设置在光源1和待治疗区域4之间，控制电路22根据待治疗区域4的轮廓来控制遮光部件21对光源1发出的光线进行部分遮挡，使光源1发出的光线中未被遮光部件21遮挡的部分所形成的照射区域5的轮廓与待治疗区域4的轮廓匹配。遮光部件21设置灵活。
在一些实施例中，光源1可发出平行光，遮光部件21可为板状，且遮光部件21可垂直于光源1的光路的方向设置，遮光部件21的最大遮光区域可与光源1的最大出光面相同，结构合理。
在一些实施例中，遮光部件21可为液晶显示面板，且控制电路22可为液 晶显示控制电路。
液晶显示控制电路可用于根据待治疗区域4的轮廓，控制液晶显示面板的部分区域透明显示，其他区域黑色显示，且透明显示区域与待治疗区域4匹配。
如图5所示，在本公开的一些实施例中，液晶显示面板可包括：第一基板211、第二基板212、液晶层213、第一电极和第二电极。液晶可设置在第一基板211和第二基板212之间。第一电极可设置在第一基板211上，第二电极可设置在第二基板212上，且第一电极和第二电极可分别与液晶显示控制电路电连接。液晶显示控制电路可用于根据待治疗区域4轮廓，通过第一电极和第二电极向液晶层213中施加电压，使来自光源1的部分光线从液晶层213中透过，形成照射区域5，且该照射区域5的轮廓与待治疗区域4的轮廓匹配。
在本公开的一些实施例中，第一电极和第二电极可为形成在第一基板211和第二基板212上的导电图案，其与液晶形成的子像素对应，通过液晶显示控制电路控制第一电极和第二电极上的电压，控制液晶分子的偏转角度，从而控制液晶显示面板上的透明显示区域的范围。
在本公开的一些实施例中，可将包含待治疗区域4的图像划分为a*b个小方格，其中，a为小方格的行数，b为小方格的列数，每个小方格的边长可为1微米，液晶显示面板可包含a*b个子像素，每个子像素对应一个小方格。液晶显示控制电路根据待治疗区域4的轮廓，控制液晶显示面板的相应位置的子像素透光或不透光，从而使得透过液晶显示面板的光线形成的照射区域5与待治疗区域4重合。
且本领域技术人员可以理解，由于位于同一待治疗区域4内不同位置处需要治疗的程度可能不同，也即需要光照的强度不同，为了保证治疗效果，可在不同的第一电极和第二电极上施加不同的电压，使不同液晶分子偏转的角度可以不同，从而使不同子像素透过光线的量可以不同，进而控制光照的强度，保证使用本公开实施例的治疗效果。
在本公开的一些实施例中，第一基板211可为阵列基板，第二基板212可为对向基板，或者，第一基板211可为对向基板，第二基板212可为阵列基板。
第一电极可为像素电极，第二电极可为公共电极，或者，第一电极可为公共电极，第二电极可为像素电极。
其中，第一基板211、第二基板212、第一电极和第二电极的种类不做具体限定，只要液晶设置在第一基板211和第二基板212之间，第一电极和第二电极分置在第一基板211和第二基板212上均可实现本公开的效果。
如图5所示，液晶显示面板还可包括第一偏振片214和第二偏振片215。第一偏振片214和第二偏振片215可分别设置在第一基板211和第二基板212的外侧。在一些实施例中，可设置第一偏振片214和第二偏振片215，使得其光轴垂直。在该情况下，第一偏振片214可用于将来自光源1的光线转变为偏振光，然后在液晶不加电的情况下该偏振光经过液晶偏转偏振方向，使得经过液晶层213的偏振光可通过第二偏振片215，形成透光效果。当对液晶层213加电时，液晶层213中的液晶分子的旋光特性消失，使得偏振光的偏振方向不发生偏转，从而无法通过第二偏振片215，形成遮光效果。在另一些实施例中，可设置第一偏振片214和第二偏振片215，使得其光轴平行。在该情况下，第一偏振片214可用于将来自光源1的光线转变为偏振光，然后在液晶不加电的情况下该偏振光经过液晶偏转偏振方向，使得经过液晶层213的偏振光无法通过第二偏振片215，形成遮光效果。当对液晶层213加电时，液晶层213中的液晶分子的旋光特性消失，使得偏振光的偏振方向不发生偏转，从而可以通过第二偏振片215，形成透光效果。不管前述第一偏振片214、液晶层213、第二偏振片215如何设置，都可便于控制光源1所形成的照射区域5中各个位置的光照强度。
在本公开的一些实施例中，通过液晶显示控制电路与图像识别模块3信号连接，液晶显示控制电路根据图像识别模块3提供的待治疗区域4的轮廓，控制液晶显示面板中的像素区域，以使液晶显示面板的部分区域透明显示，其他区域黑色显示，透明显示区域可透光，其与待治疗区域4轮廓以内的区域匹配，黑色显示区域遮光。光源1发出的光线照射到液晶显示面板上，部分光线通过透明显示区域，形成照射区域5，该照射区域5的轮廓与待治疗区域4的轮廓匹配，其余部分光线被黑色显示区域吸收或反射，在保证使用本公开的疗效的基础上，防止光源1的照射对健康区域6的皮肤造成损伤。
如图6所示，在本公开另一些实施例中，遮光部件21也可为显示面板，且该显示面板可包括像素阵列基板216和光折变晶体层。
其中，光折变晶体层可设置在像素阵列基板216上，且光折变晶体层位于朝向待治疗区域4的一侧，光折变晶体层包括多个光折变晶体217，多个光折变晶体217在显示面板的栅线扫描方向或数据线扫描方向等间隔设置，且每个光折变晶体217相对的两侧外部可分别设置第一电极结构218和第二电极结构219，且第一电极结构218和第二电极结构219可分别与控制电路22电连接，控制电路22可根据待治疗区域4的轮廓，通过第一电极结构218和第二电极结构219向光折变晶体层中施加电压，以使来自光源1的部分光线从光折变晶体层中透过，形成照射区域5。当然，本领域技术人员可知，相邻的两个光折变晶体217之间可以共用电极结构。其中，光折变晶体217可包括钛酸钡、铌酸钾、铌酸锂和硅酸铋等。
如图6所示，显示面板还可包括第一偏振片214和第二偏振片215。第一偏振片214和第二偏振片215可分别设置在像素阵列基板216和光折变晶体层的外侧。在一些实施例中，可设置第一偏振片214和第二偏振片215，使得其光轴垂直。在该情况下，第一偏振片214和第二偏振片215可用于将来自光源1的光线转变为偏振光，使得光线透过液晶显示面板后均沿着特定的方向传播，便于控制光源1所形成的照射区域5中各个位置的光照强度。
如图1所示，在本公开的一些实施例中，光照设备还可包括扩束准直机构7，扩束准直机构7可设置在光源1和遮光部件21之间，用于将光源1发出的线光转变为面光，使得光源1照射到待治疗区域4上形成的照射区域5内的光线均匀。
如图1所示，在本公开的一些实施例中，图像识别模块3可包括第一图像采集模块31和图像处理模块32。第一图像采集模块31可用于采集包含待治疗区域4的第一图像。
图像处理模块32可用于从第一图像中识别出待治疗区域4并确定待治疗区域4的轮廓。
在本公开的一些实施例中，图像处理模块32与第一图像采集模块31可信号连接，且图像处理模块32可与光开关元件2信号连接，并通过第一图像采集模块31采集包含待治疗区域4的第一图像(参见图2)。在一些实施例中，图像处理模块32可接收第一图像，提取图像特征，并对待治疗区域4的图像 做对比度增强处理，以使待治疗区域4与健康区域6的边界更加明显。而后图像处理模块32可以待治疗区域4的边界及色度等作为特征提取，确定待治疗区域4的轮廓，并将图像信号转化为数字信号提供给光开关元件2。在一些实施例中，光开关元件2可根据待治疗区域4的轮廓来控制光源1，以使照射区域5的轮廓与待治疗区域4的轮廓匹配，在保证对待治疗区域4的治疗效果的同时，避免损伤健康区域6的皮肤。
在本公开的一些实施例中，第一图像采集模块31可位于光源1的中心光路s上，且在光源1出射光线时，第一图像采集模块31可远离光源1的中心光路s。
如图7所示，在本公开的一些实施例中，待治疗区域4的中心位于光源1的中心光路s上，为了保证第一图像采集模块31采集包含待治疗区域4的第一图像时不会因为角度等问题导致所获得的第一图像失真，第一图像采集模块31可位于光源1的中心光路s上，也即第一图像采集模块31正对待治疗区域4采集第一图像。当光源1出射光线时，第一图像采集模块31可远离光源1的中心光路s，以避免第一图像采集模块31影响光源1所形成的照射区域5的轮廓，图像处理模块32在从第一图像中识别待治疗区域4并确定待治疗区域4的轮廓时不需要进行深度计算，使得图像处理模块32的开发难度降低，进而降低本公开的一些实施例提供的光照设备的开发成本。
在使用本公开的一些实施例提供的光照设备进行疾病治疗的过程中，由于患者长时间保持一个姿势会非常累，很难保证患者不动，而且也很难保证本公开实施例提供的光照设备在使用过程中不发生抖动，因此常常会出现照射区域5与待治疗区域4错位的情形(参见图3)，此时，需要对照射区域5的位置或待治疗区域4的位置进行调整，以保证待治疗区域4与照射区域5匹配。在本公开实施例中，由于调整照射区域5的位置较调整待治疗区域4的位置的精度高，因此当待治疗区域4与照射区域5之间发生相对移动时，可以对照射区域5的位置进行调整。
在本公开的一些实施例中，光源1可为出光波长可调的光源1，且在第一时间段发出可见光，在第二时间段发出紫外光。第一图像采集模块31可用于在第一时间段采集包含照射区域5及待治疗区域4的第二图像。图像处理模块 32可用于从第二图像中识别出照射区域5和待治疗区域4，且分别确定出照射区域5和待治疗区域4的轮廓，并比较待治疗区域4的轮廓和照射区域5的轮廓的位置是否对应，若不对应，则根据待治疗区域4的轮廓的位置与照射区域5的轮廓的位置，调整光开关元件2控制光源1的照射区域5的位置，使得照射区域5的轮廓与待治疗区域4的轮廓匹配。
在本公开的一些实施例中，当治疗需要的光线为不可见光，如紫外线或红外线时，可在不移动光源1和待治疗区域4的情况下，使光源1发出可见光，通过第一图像采集模块31采集包含光源1所形成的照射区域5和待治疗区域4的第二图像后，分别确定出照射区域5和待治疗区域4的轮廓并提供给图像处理模块32，图像处理模块32可比较待治疗区域4的轮廓和照射区域5的轮廓的位置是否对应，若不对应，则可根据待治疗区域4的轮廓的位置与照射区域5的轮廓的位置，调整光开关元件2控制光源1的照射区域5的位置，使得照射区域5的轮廓与待治疗区域4的轮廓匹配，当照射区域5的轮廓与待治疗区域4的轮廓重叠时，则可进入第二时间段，光源1发出不可见光，对患者进行治疗，实现对照射区域5的间歇性调整，以使照射区域5始终与待治疗区域4匹配。
当治疗需要的光线为可见光时，可直接通过第一图像采集模块31及时采集包含光源1的照射区域5和待治疗区域4的第二图像后，分别确定出照射区域5和待治疗区域4的轮廓并提供给图像处理模块32，图像处理模块32比较待治疗区域4的轮廓和照射区域5的轮廓的位置是否对应，若不对应，则根据待治疗区域4的轮廓的位置与照射区域5的轮廓的位置，调整光开关元件2控制光源1的照射区域5的位置，使得照射区域5的轮廓与待治疗区域4的轮廓匹配。
在本公开的一些实施例中，对光源1的照射区域5的位置进行调整具体可为：通过对比照射区域5的轮廓上连续五个点与待治疗区域4的轮廓上相应位置的五个点之间的距离，计算出照射区域5与待治疗区域4的中心点的距离，获取需要对照射区域5的位置进行调整的调整量，并根据该调整量调整照射区域5的位置。然而，本公开不限于五个点，也可以是任何其他数量的点。
当然，在治疗过程中也可能存在待治疗区域4中的部分位置先康复的情 形，如图9所示即为待治疗区域4中的部分位置先康复时待治疗区域4与健康区域6的位置示意图，此时待治疗区域4的轮廓发生了变化，相应地，需要对照射区域5的轮廓作出调整，此时，图像处理模块32根据第二图像确定的待治疗区域4的轮廓和照射区域5的轮廓，重新控制照射区域5的轮廓与待治疗区域4的轮廓匹配，以保证光源1的照射区域5与待治疗区域4始终重合。
在本公开的一些实施例中，光开关元件2需要重新控制照射区域5的轮廓与待治疗区域4的轮廓匹配包括如下情况：
第一，光开关元件2只需要控制照射区域5的轮廓形状与待治疗区域4的轮廓形状匹配，适用于只出现待治疗区域4内部分区域先康复的情形；
第二、光开关元件2只需要控制照射区域5的轮廓的位置与待治疗区域4的轮廓的位置匹配，适用于待治疗区域4与照射区域5的轮廓之间只发生了相对移动的情形；
第三、光开关元件2需要控制照射区域5的轮廓的形状和位置均与待治疗区域4的轮廓和位置均匹配，适用于即出现待治疗区域4与照射区域5之间发生了相对移动，也出现待治疗区域4内部分区域先康复的情形。
如图8所示，在本公开的一些实施例中，当治疗需要的光线为不可见光，如紫外线或红外线时，为了实现对照射区域5的及时调整，第二图像采集模块33用于采集包含照射区域5的第三图像；以及，第一图像采集模块31还用于采集当前包含待治疗区域4的第四图像；
图像处理模块32，用于从第三图像中识别出照射区域5且确定照射区域5的轮廓，从第四图像中识别出待治疗区域4且确定待治疗区域4的轮廓，并比较待治疗区域4的轮廓和照射区域5的轮廓是否对应，若不对应，则根据待治疗区域4的轮廓与照射区域5的轮廓，调整光开关元件2控制照射区域5的轮廓与待治疗区域4的轮廓匹配。
在本公开的一些实施例中，第二图像采集模块33采集包含照射区域5的第三图像，第一图像采集模块31采集当前包含待治疗区域4的第四图像，图像处理模块32从第三图像中识别出照射区域5并确定照射区域5的轮廓，从第四图像中识别出待治疗区域4并确定当前待治疗区域4的轮廓，而后比较照射区域5的轮廓和待治疗区域4的轮廓是否对应，若不对应，则根据待治疗区 域4的轮廓与照射区域5的轮廓，调整光开关元件2控制光源1的照射区域5的轮廓，使得照射区域5的轮廓与待治疗区域4的轮廓匹配，实现对照射区域5的实时调整。在一些实施例中，比较照射区域5的轮廓和待治疗区域4的轮廓是否对应的方法及控制光源1照射到待治疗区域4上的照射区域5的轮廓的方法可以如前所述。
如图10所示，在本公开的一些实施例中，第二图像采集模块33可包括第一摄像头311和第一滤光器332。第一滤光器332可设置在第一摄像头311的外界光的入光侧，第一摄像头311可用于通过第一滤光器332拍摄到第三图像。
在本公开实施例中，由于普通的摄像头并不能拍摄到不可见光照射到待治疗区域4上形成的照射区域5的轮廓，故通过在第一摄像头311的外界光的入光侧设置第一滤光器332，可使第一摄像头311拍摄到只包含不可见光照射形成的照射区域5的第三图像，结构简单，且采集的第三图像较为清晰。
如图10所示，在本公开的一些实施例中，第一图像采集模块31可为第二摄像头311，第一摄像头331和第二摄像头311可分别位于光源1的中心光路s两侧且拍摄角度相对于光源1的中心光路s径向对称。
在本公开的一些实施例中，光源1的中心光路s是指光源1的光路中，过光源1的中心，且垂直于待治疗区域4的光路，第一摄像头331和第二摄像头311可设置在光开关元件2和待治疗区域4之间，通过第一摄像头331和第二摄像头311分别位于光源1的中心光路s两侧且拍摄角度相对于中心光路s镜像对称，图像处理模块32比较同一时间下待治疗区域4的轮廓和照射区域5的轮廓是否对应的过程中，可通过先将照射区域5的轮廓相对于光源1的中心光路s作对称处理，再比较经过对称处理后的照射区域5的轮廓是否与待治疗区域4的轮廓对应，在比较的过程中无需进行深度计算，降低图像采集模块的开发难度，进而降低本公开的一些实施例提供的光照设备的开发成本。
而当第一摄像头331和第二摄像头311的拍摄角度不是相对于光源1的中心光路s镜像对称时，第一摄像头331和第二摄像头311可以为带有深度计算功能的摄像头，比如深度摄像头。其可根据待治疗区域4的轮廓和照射区域5的轮廓、第一摄像头331和第二摄像头311之间的距离以及第一摄像头331和第二摄像头311与待治疗区域4中心之间的距离等信息，通过计算获取待治疗 区域4的轮廓与照射区域5的轮廓之间的关系，进而控制照射区域5的轮廓与待治疗区域4的轮廓匹配。
如图11所示，本公开的一些实施例提供了一种光照设备的使用方法，可使用如前所述的光照设备，该方法可包括如下步骤。
在步骤101中，可通过图像识别模块识别待治疗区域(或更一般地，目标区域)的轮廓并提供给光开关元件。
在本公开的一些实施例中，光照设备的图像识别模块识与光开关元件可信号连接，图像识别模块可用于识别待治疗区域的轮廓，并将识别出的待治疗区域的轮廓提供给光开关元件。其中，图像识别模块可包括第一图像采集模块和图像处理模块，第一图像采集模块可用于采集包含待治疗区域的第一图像，图像处理模块可用于从第一图像中识别出待治疗区域，并可确定待治疗区域的轮廓以提供给光开关元件。
在步骤102中，可通过光开关元件控制光源的照射区域的轮廓与待治疗区域的轮廓匹配。
在本公开的一些实施例中，光开关元件可用于根据待治疗区域的轮廓，控制光源的照射区域的轮廓与待治疗区域的轮廓匹配。
其中，当光源由发光点阵列组成时，光开关元件可包括光源控制电路，通过光开关元件控制光源的照射区域的轮廓与图像识别模块提供的待治疗区域的轮廓匹配，包括：控制光源中的发光点阵列，使得开启状态的发光点阵列形成的区域的轮廓与所述待治疗区域的轮廓匹配。
此时，光源控制电路可与图像识别模块信号连接，光源控制电路可用于根据图像识别模块提供的待治疗区域的轮廓，控制光源的发光点阵列中的发光点开启或关闭，使得处于开启状态的发光点阵列形成的区域的轮廓与待治疗区域的轮廓匹配，保证在进行治疗的过程中，光源的照射区域与待治疗区域重合，在保证对待治疗区域的治疗效果的同时，避免损伤健康区域的皮肤。
当光源为普通光源或背光源与导光板的组合结构时，光开关元件可包括控制电路与遮光部件。控制电路可与图像识别模块信号连接，遮光部件可设置在光源和待治疗区域之间，且遮光部件可与控制电路电连接。控制电路可用于根据待治疗区域的轮廓，控制遮光部件对光源发出的光线进行部分遮挡，使光源 发出的光线中未被遮光部件遮挡的部分所形成的照射区域的轮廓与待治疗区域的轮廓匹配。
其中，遮光部件可以为液晶显示面板或显示面板，当遮光部件为液晶显示面板时，通过光开关元件控制光源的照射区域的轮廓与图像识别模块提供的待治疗区域的轮廓匹配，包括：控制液晶显示面板的部分区域透明显示，其他区域黑色显示，且透明显示区域对应于待治疗区域轮廓以内的区域。
在本公开的一些实施例中，液晶显示面板可包括：第一基板、第二基板、液晶层、第一电极和第二电极；液晶设置在第一基板和第二基板之间；第一电极可设置在第一基板上，第二电极可设置在第二基板上，且第一电极和第二电极可分别与液晶显示控制电路电连接，液晶显示控制电路可用于根据待治疗区域轮廓，通过第一电极和第二电极向液晶层中施加电压，使来自光源的部分光线从液晶层中透过，形成照射区域，且该照射区域的轮廓与待治疗区域的轮廓匹配。
在本公开的一些实施例中，第一电极和第二电极可为形成在第一基板和第二基板上的导电图案，其可与液晶形成的子像素对应，通过液晶显示控制电路控制第一电极和第二电极上的电压，控制液晶分子的偏转角度，从而控制液晶显示面板上的透明显示区域的范围。
在本公开实施例中，可将包含待治疗区域的图像划分为a*b个小方格，其中，a为小方格的行数，b为小方格的列数，每个小方格的边长可为1微米，液晶显示面板包含a*b个子像素，每个子像素可对应一个小方格。液晶显示控制电路可根据待治疗区域的轮廓，控制液晶显示面板的相应位置的子像素透光或不透光，从而使得透过液晶显示面板的光线形成的照射区域与待治疗区域重合。
本公开的一些实施例通过图像识别模块识别待治疗区域的轮廓并提供给光开关元件，光开关元件根据图像识别模块提供的待治疗区域的轮廓，控制光源的照射区域的轮廓与待治疗区域的轮廓匹配，从而使得使用本公开的一些实施例提供的光照设备治疗皮肤病时，可使光源的照射区域的轮廓与待治疗区域的轮廓重合，在保证对待治疗区域的治疗效果的同时，避免损伤健康区域的皮肤。
如图12所示，在步骤201中，可通过第一图像采集模块采集包含待治疗区域(或更一般地，目标区域)的第一图像。
在本公开的一些实施例中，第一图像采集模块可为一摄像头，通过该摄像头可拍摄人体皮肤上包含待治疗区域的第一图像。
在步骤202中，可通过图像处理模块从第一图像中识别出待治疗区域且确定待治疗区域的轮廓，并将待治疗区域的轮廓提供给光开关元件。
在本公开的一些实施例中，图像处理模块可接收第一采集模块采集的包含待治疗区域的第一图像后，提取图像特征，并对待治疗区域的图像做对比度增强处理，以使待治疗区域与健康区域的边界更加明显，而后以待治疗区域的边界及色度等作为特征提取，确定待治疗区域的轮廓，将图像信号转化为数字信号提供给光开关元件。
在步骤203中，可通过光开关元件控制光源的照射区域的轮廓与待治疗区域的轮廓匹配。
光开关元件可接收图像处理模块提供的携带待治疗区域的轮廓信息的数字信号，控制光源的照射区域的轮廓与待治疗区域的轮廓匹配。
本公开的一些实施例通过图像识别模块识别待治疗区域的轮廓并提供给光开关元件，光开关元件根据图像识别模块提供的待治疗区域的轮廓，控制光源的照射区域的轮廓与待治疗区域的轮廓匹配，从而使得使用本公开提供的光照设备治疗皮肤病时，可使光源的照射区域的轮廓与待治疗区域的轮廓重合，在保证对待治疗区域的治疗效果的同时，避免损伤健康区域的皮肤。
如图13所示，本公开实施例的一些实施例提供了一种光照设备使用方法，可应用前述的光照设备，该方法可包括如下步骤：
在步骤301中，可通过第一图像采集模块采集包含待治疗区域(或更一般地，目标区域)的第一图像。
在本公开的一些实施例中，第一图像采集模块可为一摄像头，通过该摄像头可拍摄人体皮肤上包含待治疗区域的第一图像。
在步骤302中，可通过图像处理模块从第一图像中识别出待治疗区域且确定待治疗区域的轮廓，并将待治疗区域的轮廓提供给光开关元件。
在本公开的一些实施例中，图像处理模块可接收第一采集模块采集的包含 待治疗区域的第一图像后，提取图像特征，并对待治疗区域的图像做对比度增强处理，以使待治疗区域与健康区域的边界更加明显，而后以待治疗区域的边界及色度等作为特征提取，确定待治疗区域的轮廓，将图像信号转化为数字信号提供给光开关元件。
在步骤303中，可通过光开关元件控制光源的照射区域的轮廓与待治疗区域的轮廓匹配。
光开关元件接收图像处理模块提供的携带待治疗区域的轮廓信息的数字信号，控制光源的照射区域的轮廓与待治疗区域的轮廓匹配。
在步骤304中，可通过光源发出可见光。
在本公开的一些实施例中，光源可为出光波长可调的光源，且在第一时间段可发出可见光，在第二时间段可发出紫外光，当光源发出可见光的时候，光源的照射区域和待治疗区域都可见，其图像可通过同一图像采集模块采集。当然，当用于治疗的光线为可见光时，则光源可只需发出可见光即可。
在步骤305中，可通过第一图像采集模块采集包含照射区域及待治疗区域的第二图像。
在本公开的一些实施例中，第一图像采集模块可为一摄像头，可通过该摄像头拍摄人体皮肤上包含照射区域及待治疗区域的第二图像，第二图像中包含一时间节点下的照射区域及待治疗区域，便于直观地分析照射区域的轮廓与待治疗区域的轮廓是否匹配。
在步骤306中，可通过图像处理模块从第二图像中识别出照射区域并确定照射区域的轮廓，识别出待治疗区域并确定待治疗区域的轮廓，比较待治疗区域的轮廓和照射区域的轮廓的位置是否对应，若不对应，则可根据待治疗区域的轮廓的位置与照射区域的轮廓的位置，调整光开关元件控制照射区域的轮廓与待治疗区域的轮廓匹配。
在本公开的一些实施例中，图像处理模块可接收第一采集模块采集的包含待治疗区域和照射区域的第二图像后，提取图像特征，并对待治疗区域的图像和照射区域的图像做对比度增强处理，以使待治疗区域和照射区域与健康区域的边界更加明显，而后以待治疗区域的边界及色度以及照射区域的边界及色度等作为特征提取，确定待治疗区域的轮廓以及照射区域的轮廓，并比较照射区 域的轮廓的位置与待治疗区域的轮廓的位置是否对应，若不对应，则调整光开关元件重新控制照射区域与待治疗区域匹配。
本公开的一些实施例可通过图像识别模块识别待治疗区域的轮廓并提供给光开关元件，光开关元件根据图像识别模块提供的待治疗区域的轮廓，控制光源的照射区域的轮廓与待治疗区域的轮廓匹配，从而使得使用本公开提供的光照设备治疗皮肤病时，可使光源的照射区域的轮廓与待治疗区域的轮廓重合，在保证对待治疗区域的治疗效果的同时，避免损伤健康区域的皮肤。
如图14所示，本公开的一些实施例提供了一种光照设备使用方法，可应用前述的光照设备，该方法可包括如下步骤。
在步骤401中，可通过第一图像采集模块采集包含待治疗区域(或更一般地，目标区域)的第一图像。
在本公开的一些实施例中，第一图像采集模块可为一摄像头，可通过该摄像头拍摄人体皮肤上包含待治疗区域的第一图像。
在步骤402中，可通过图像处理模块从第一图像中识别出待治疗区域且确定待治疗区域的轮廓，并将待治疗区域的轮廓提供给光开关元件。
在本公开的一些实施例中，图像处理模块可接收第一采集模块采集的包含待治疗区域的第一图像后，提取图像特征，并对待治疗区域的图像做对比度增强处理，以使待治疗区域与健康区域的边界更加明显，而后可以待治疗区域的边界及色度等作为特征提取，确定待治疗区域的轮廓，将图像信号转化为数字信号提供给光开关元件。
在步骤403中，可通过光开关元件控制光源的照射区域的轮廓与待治疗区域的轮廓匹配。
光开关元件可接收图像处理模块提供的携带待治疗区域的轮廓信息的数字信号，控制光源的照射区域的轮廓与待治疗区域的轮廓匹配。
在步骤404中，可通过第二图像采集模块采集包含照射区域的第三图像。
当用于治疗的光线为不可见光时，为了避免治疗过程中照射区域与待治疗区域发生相对移动或待治疗区域中部分区域先行康复，出现使用光照设备的疗效较差或损伤健康区域的皮肤的情形，可通过第二图像采集模块采集包含照射区域的第三图像。
其中，由于普通的摄像头并不能拍摄到不可见光形成的照射区域的轮廓，故第二图像采集模块可包括一摄像头和一滤光器。该滤光器可设置在第一摄像头的外界光的入光侧，第一摄像头可用于通过第一滤光器拍摄到第三图像，结构简单，且采集的第三图像较为清晰。
在步骤405中，可通过第一图像采集模块采集当前包含待治疗区域的第四图像；
在本公开的一些实施例中，当第二图像采集模块采集包含照射区域的第三图像时，可通过第一图像采集模块采集包含待治疗区域的第四图像，以获取同一时间下的照射区域的轮廓和待治疗区域的轮廓。
其中，第二图像采集模块可包括第一摄像头和第一滤光器，第一图像采集模块可包括第二摄像头，第一摄像头和第二摄像头可分别位于光源的中心光路两侧且拍摄角度相对于光源的中心光路径向对称，在图像处理模块比较待治疗区域的轮廓和照射区域的轮廓是否对应的过程中，可通过先将照射区域的轮廓相对于光源的中心光路作对称处理，再比较对称处理后的照射区域的轮廓是否与待治疗区域的轮廓对应，在比较的过程中可无需进行深度计算，降低图像采集模块的开发难度，进而降低本公开的一些实施例提供的光照设备的开发成本。
而当第一摄像头和第二摄像头的拍摄角度不是相对于光源的中心光路镜像对称时，第一摄像头和第二摄像头可以为自带深度计算功能的摄像头，其可根据待治疗区域的轮廓和照射区域的轮廓、第一摄像头和第二摄像头之间的距离以及第一摄像头和第二摄像头与待治疗区域中心之间的距离等信息，通过计算获取待治疗区域的轮廓与照射区域的轮廓的信息，第一摄像头和第二摄像头将其计算结果提供给图像处理模块。
在步骤406中，可通过图像处理模块从第三图像中识别出照射区域并确定照射区域的轮廓，从第四图像中识别出待治疗区域并确定待治疗区域的轮廓，且通过图像处理模块比较待治疗区域的轮廓和照射区域的轮廓是否匹配，并在不匹配时，调整光开关元件控制照射区域的轮廓与待治疗区域的轮廓匹配。
图像处理模块从第三图像中识别出照射区域并确定照射区域的轮廓，从第一图像识别出待治疗区域并确定待治疗区域的轮廓，而后比较待治疗区域的轮 廓和照射区域的轮廓是否匹配，并在不匹配时，调整光开关元件控制照射区域的轮廓与待治疗区域的轮廓匹配，保证照射区域始终能与待治疗区域重合，保证使用本公开的一些实施例的疗效，且避免对健康区域的皮肤造成损伤。
本公开的一些实施例通过图像识别模块识别待治疗区域的轮廓并提供给光开关元件，光开关元件根据图像识别模块提供的待治疗区域的轮廓，控制光源的照射区域的轮廓与待治疗区域的轮廓匹配，从而使得使用本公开的一些实施例提供的光照设备治疗皮肤病时，可使光源的照射区域的轮廓与待治疗区域的轮廓重合，在保证对待治疗区域的治疗效果的同时，避免损伤健康区域的皮肤。
以上仅为本公开的部分实施例，并不用以限制本公开，凡在本公开的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本公开的保护范围之内。

Claims (19)

  1. 一种光照设备，包括：
    光源；
    光开关元件；以及
    与所述光开关元件信号连接的图像识别模块，用于识别目标区域的轮廓并提供给所述光开关元件，
    其中，所述光开关元件控制所述光源，使得所述光源的照射区域的轮廓与所述目标区域的轮廓匹配。
  2. 根据权利要求1所述的光照设备，其中，所述光开关元件包括控制电路，所述控制电路分别与所述光源和所述图像识别模块连接，所述控制电路用于根据所述目标区域的轮廓，控制所述光源中的发光点阵列，使得开启状态的发光点阵列形成的区域的轮廓与所述目标区域的轮廓匹配。
  3. 根据权利要求1所述的光照设备，其中，所述光开关元件包括控制电路和遮光部件；
    其中，所述控制电路分别与所述图像识别模块和所述遮光部件连接，所述控制电路用于根据所述目标区域的轮廓，控制所述遮光部件对所述光源发出的光线进行部分遮挡，使所述光源发出的光线中未被所述遮光部件遮挡的部分所形成的照射区域的轮廓与所述目标区域的轮廓匹配。
  4. 根据权利要求3所述的光照设备，其中，所述遮光部件的最大遮光区域与所述光源的最大出光面相对应。
  5. 根据权利要求3所述的光照设备，其中，所述遮光部件为液晶显示面板，所述控制电路为液晶显示控制电路；
    其中，所述液晶显示控制电路用于根据所述目标区域的轮廓，控制所述液晶显示面板的部分区域透明显示，其他区域黑色显示，且所述透明显示区域与所述目标区域匹配。
  6. 根据权利要求3所述的光照设备，其中，所述遮光部件为显示面板，且所述显示面板包括像素阵列基板和光折变晶体层。
  7. 根据权利要求3所述的光照设备，还包括：扩束准直机构，所述扩束 准直机构设置在所述光源和所述遮光部件之间，用于将所述光源发出的线光转变为面光。
  8. 根据权利要求1所述的光照设备，其中，所述图像识别模块包括：
    第一图像采集模块，所述第一图像采集模块用于采集包含目标区域的第一图像；以及
    图像处理模块，所述图像处理模块用于从所述第一图像中识别出所述目标区域并确定所述目标区域的轮廓。
  9. 根据权利要求8所述的光照设备，其中，所述光源为出光波长可调的光源，且在第一时间段发出可见光，在第二时间段发出紫外光；
    其中，所述第一图像采集模块用于在第一时间段采集包含所述照射区域及所述目标区域的第二图像，
    其中，所述图像处理模块用于从所述第二图像中识别出所述照射区域和所述目标区域，且分别确定出所述照射区域和所述目标区域的轮廓，并比较所述目标区域的轮廓和所述照射区域的轮廓的位置是否对应，若不对应，则根据所述目标区域的轮廓的位置与所述照射区域的轮廓的位置，调整光开关元件，以控制所述照射区域的轮廓与所述目标区域的轮廓匹配。
  10. 根据权利要求8所述的光照设备，其中，所述第一图像采集模块位于所述光源的中心光路上，且在所述光源出射光线时，所述第一图像采集模块远离所述光源的光路。
  11. 根据权利要求8所述的光照设备，还包括：
    第二图像采集模块，所述第二图像采集模块用于采集包含所述照射区域的第三图像，
    其中，所述第一图像采集模块还用于采集当前包含所述目标区域的第四图像；
    其中，所述图像处理模块用于从所述第三图像中识别出所述照射区域且确定所述照射区域的轮廓，从所述第四图像中识别出所述目标区域且确定所述目标区域的轮廓，比较所述目标区域的轮廓和所述照射区域的轮廓是否对应，若不对应，则根据所述目标区域的轮廓与所述照射区域的轮廓，调整所述光开关元件，以控制所述照射区域的轮廓与所述目标区域的轮廓匹配。
  12. 根据权利要求11所述的光照设备，其中，所述第二图像采集模块包括：
    第一摄像头；以及
    第一滤光器，所述第一滤光器设置在所述第一摄像头的外界光的入光侧，其中，所述第一摄像头用于通过所述第一滤光器拍摄到所述第三图像。
  13. 根据权利要求12所述的光照设备，其中，所述第一图像采集模块为第二摄像头，所述第一摄像头和所述第二摄像头分别位于所述光源的中心光路两侧且拍摄角度相对于光源的中心光路镜像对称。
  14. 一种使用如权利要求1-13种任一项权利要求所述的光照设备的方法，包括：
    通过图像识别模块识别目标区域的轮廓并提供给光开关元件；以及
    通过所述光开关元件来控制光源，使得所述光源的照射区域的轮廓与所述目标区域的轮廓匹配。
  15. 根据权利要求14所述的方法，其中，通过所述光开关元件来控制光源，使得所述光源的照射区域的轮廓与所述目标区域的轮廓匹配，包括：
    控制光源中的发光点阵列，使得开启状态的发光点阵列形成的区域的轮廓与所述目标区域的轮廓匹配。
  16. 根据权利要求14所述的方法，其中，通过所述光开关元件来控制光源，使得所述光源的照射区域的轮廓与所述目标区域的轮廓匹配，包括：
    控制液晶显示面板的部分区域透明显示，其他区域黑色显示，且透明显示区域对应于目标区域轮廓以内的区域。
  17. 根据权利要求14所述的方法，其中，通过图像识别模块识别目标区域的轮廓并提供给光开关元件，包括：
    通过第一图像采集模块采集包含所述目标区域的第一图像；以及
    通过图像处理模块从所述第一图像中识别出所述目标区域且确定所述目标区域的轮廓，并将所述目标区域的轮廓提供给所述光开关元件。
  18. 根据权利要求17所述的方法，其中，在通过所述光开关元件来控制光源，使得所述光源的照射区域的轮廓与所述目标区域的轮廓匹配之后，所述方法还包括：
    通过所述光源发出可见光；
    通过所述第一图像采集模块采集包含所述照射区域及所述目标区域的第二图像；以及
    通过所述图像处理模块从所述第二图像中识别出所述照射区域并确定所述照射区域的轮廓，识别出所述目标区域并确定所述目标区域的轮廓，比较所述目标区域的轮廓和所述照射区域的轮廓的位置是否对应，若不对应，则根据所述目标区域的轮廓的位置与所述照射区域的轮廓的位置，调整光开关元件，以控制所述照射区域的轮廓与所述目标区域的轮廓匹配。
  19. 根据权利要求17所述的方法，其中，在通过所述光开关元件来控制光源，使得所述光源的照射区域的轮廓与所述目标区域的轮廓匹配之后，所述方法还包括：
    通过第二图像采集模块采集包含所述照射区域的第三图像；
    通过第一图像采集模块采集当前包含所述目标区域的第四图像；以及
    通过所述图像处理模块从所述第三图像中识别出所述照射区域并确定所述照射区域的轮廓，从所述第四图像中识别出所述目标区域并确定所述目标区域的轮廓，且通过所述图像处理模块比较所述目标区域的轮廓和所述照射区域的轮廓是否匹配，并在不匹配时，调整光开关元件，以控制所述照射区域的轮廓与所述目标区域的轮廓匹配。
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