262results about How to "Relieve visual fatigue" patented technology

The invention discloses a head mounted display which comprises a main frame, a perspective type optical display system, a main control system and a binocular three-dimensional visual system. The perspective type optical display system comprises an image display module, an optical amplification system and a fine adjusting mechanism. The binocular three-dimensional visual system shoots a target object in front of the human eyes and acquires the distance between the target object and the human eyes through a parallax principle distance measuring method. The main control system controls the perspective type optical display system to automatically adjust the distance from the virtual image to the human eyes according to the obtained distance from the target object to the human eyes, therefore, the comfortableness of eye using when a user uses image displayers is ensured, and eyestrain can be relieved. Further, in the augmented reality application, when the depth of field changes, the distance between the virtual image and the human eyes is adjusted automatically to enable the virtual image to fit with the actual environment, the enhanced display effect can be truly achieved, and user experience can be enhanced greatly.

The invention relates to a functional mixture for refreshing and remitting the physical fatigue and the visual fatigue and application thereof. The mixture comprises the components such as taurine, caffeine, green tea extract, American ginseng extract, guarana extract, ginkgo leaf extract, wolfberry extract, lutein, L-carnitine, vitamin B1, nuclear yellow acid, nicotinic acid, vitamin, folic acid, vitamin B, vitamin C, auxiliary materials and the like. The mixture can be used for preparing the functional beverage, the effervescent preparation and the solid beverage electuary. The functional mixture has an application mode which is convenient to carry so as to meet the requirement, has the functions of remitting the physical fatigue and the brain fatigue, adds the nutrients for protecting the vision such as the wolfberry extract and the lutein, is particular suitable for personal who operates a computer for a long time, drivers and students, and plays roles in improving the brain power, protecting the vision, and remitting the physical fatigue and the visual fatigue.

The invention relates to a lutein ester soft sweet and a preparation method of the lutein ester soft sweet. The soft sweet comprises 60-90% of sweet material, 0.01-10% of lutein ester micro-capsule or water soluble powder, 0.1-15% of gelling agent, 0.01-5% of sour agent, 0-10% of extract, 0-30% of concentrated juice, 0-0.5% of food flavor and 5-34% of water. The preparation method of the lutein ester soft sweet comprises the following steps of: a. sugaring off; b. gelling; c. mixing sugar liquid with gel liquid or gel peptone; d. adding lutein ester, the extract, the concentrated juice, the flavor and the sour agent into the mixed liquid; and e. preparing a finished product. The lutein ester soft sweet has health care functions of relieving visual fatigue, improving eyesight, preventing age related macular degeneration (AMD), and is good in mouthfeel, not glutinous, chewable and palatable in sour and sweet, thus being a healthy snack food; and the preparation method of the lutein ester soft sweet is simple, easy to operate and suitable for industrial production.

The invention discloses a hybrid brain-computer interface method based on steady state motion visual evoked potential and default stimulation response. The method includes the steps that 1, a testee wears an electrode cap, a reference electrode, a ground electrode and a testing electrode on the electrode cap make contact with the head of the testee, and the vision and the computer screen are in the eye level through visual inspection; 2, a steady state motion visual evoked potential and default stimulation response mixed normal form program is compiled through MATLAB in advance, the testee selects a stimulation target to stare according to a target prompt, and electroencephalogram signals acquired by the electrode cap are stored in a computer; 3, steady state motion visual evoked potential features and default stimulation response features are subjected to feature extraction respectively, and then the stimulation target is subjected to classified recognition; 4, the computer screen displays the stimulation target recognition result, and visual feedback is conducted on the testee; 5, the steps are repeated, and the next round is conducted till the program is ended. According to the hybrid brain-computer interface method, two types of feature recognition information is adopted, and the method has the advantages that operation is simple, less training time is needed, and less electrodes are needed.

The invention discloses a video playing method. The method comprises the following steps: in a process when a terminal turns on a screen to play a video, detecting whether the terminal receives a screen turn-off instruction; if the terminal receives the screen turn-off instruction, judging whether the currently playing video of the terminal supports a screen turn-off playing mode; if the currently playing video of the terminal supports the screen turn-off playing mode, controlling a display screen of the terminal to enter a screen turn-off state according to the screen turn-off instruction, and meanwhile intercepting the image output of the video, and maintaining the audio output of the video. The invention further discloses a terminal and a computer readable storage medium. By adoption of the video playing method, the visual fatigue of users can be relieved, the misoperations of the users are reduced, and meanwhile the power consumption of the terminal is reduced.

The invention provides a method how a remote control inputs characters to display equipment. The method comprises the following steps: a, responding to a character input request emitted by the remote control, and displaying an input box and a soft keyboard, wherein the soft keyboard comprises a plurality of characters which are preset and arranged one by one; b, responding to a position moving order emitted by a directional key on the remote control, and moving a focus to a target character; and c, responding to an input determination order emitted by a determination key on the remote control, and inputting the target character to the input box. The method how the remote control inputs characters to the display equipment shortens the distance between the needed keys, improves the input speed of the characters, reduces the number of the keys needed by character inputting, achieves the purposes of simplifying the design of the remote control and decreasing the size of the remote control, avoids sight transferring between the remote control and a television, relieves the visual fatigue caused by character inputting, avoids input errors, and largely improves the experience of a user.

The invention provides an eye patch for relieving visual fatigue and belongs to the technical field of eye patches. The eye patch comprises a cover and Velcro fixing bands, multiple sandwiched layers I are arranged inside a cavity of the cover, heating pieces and medicine therapy bags are sequentially arranged in the direction of eyes of a human body inside the sandwiched layers I, a movable cover is arranged at the position, corresponding to the cavity, of the cover, a silica membrane is arranged on the face, making contact with the eyes, of the cover, protruding bubbles are arranged at the positions, corresponding to acupuncture points around the eyes, of the silica membrane, massage beads are arranged inside all the protruding bubbles and connected with a vibration motor which is connected with a power source, a temperature sensor and a microcontroller are arranged inside the cover, and the temperature sensor is sequentially connected with the microcontroller and the power source through wires. The compliableness and comfort level of the eye patch are improved, the effect of relieving visual fatigue is enhanced from the perspective of a short term and a long term, the good effects of relieving and treating visual fatigue are achieved through the combination of thermal therapy, medicine therapy and massage, safety is higher, structural design is reasonable, and using is convenient.

The invention discloses a special antiglare optical lens for a driver and a production method of the special antiglare optical lens. A multilayer film coats each of the outer surface and the inner surface of a substrate of the lens, and more than one layer of antiglare film coats each of the outer surface and the inner surface of the antiglare optical lens, so that the antiglare effect of the lens is strengthened. According to the production method, the outer surface and the inner surface of the substrate are respectively evaporated with the film to form the antiglare optical lens, and the production method comprises the following steps: (1) cleaning the substrate; (2) drying the cleaned substrate; (3) cleaning the substrate again in a vacuum chamber of an electron beam evaporation machine before coating; and (4) coating the substrate: the coating of the substrate comprises the coating of the film on the outer surface of the substrate and the coating of the film on the inner surface of the substrate. The special antiglare optical lens for the driver produced by the invention has the effect of preventing harm of harmful glare and ultraviolet ray to a human body, so that the driving of the driver is safe. The special antiglare optical lens for the driver also has the functions of oil contamination prevention and autonomous optical regulation and control simultaneously.

The present invention provides a lens, a manufacturing method of the lens, and an optical display device. The lens comprises at least two lens regions. The at least two lens regions are different in focal length, so that a real world image is imaged at different preset depths of field when human eyes are looking at the real world image through the at least two lens regions. According to the technical scheme of the invention, the lens comprises different lens regions having different focal lengths, so that the lens is a multi-focal lens. Therefore, when the human eyes are looking at the real world image through the lens, the real world image is imaged at different preset depths of field. When the lens is applied to the imaging process of the optical display device or other virtual reality devices, virtual images seen by the human eyes are imaged at different distances when the human eyes are looking at the image displayed on a screen through different lens regions due to the fact that different lens regions are different in focal length. When the human eyes are looking at the virtual images of different distances for a long period of time, the visual fatigue is relieved. Meanwhile, scene images of different depths can be appreciated at the same time, and the three-dimensional feeling is improved.

The invention relates to a sterilizing, anti-dazzle, anti-reflection and wear-resisting lens and a preparing method thereof. The lens comprises a substrate. The inner surface of the substrate is sequentially provided with a first film, a second film, a third film, a fourth film, a fifth film and a sixth film from inside to outside, the outer surface of the substrate is sequentially provided with a first film, a second film, a third film, a fourth film, a fifth film and a sixth film from inside to outside, and the first film, the second film, the third film, the fourth film, the fifth film and the sixth film of the inner surface and the first film, the second film and the third film, the fourth film, the fifth film and the sixth film of the outer surface are symmetrical. The first films and the third films are trititanium pentoxide layers, and the thickness of the first films and the thickness of the third films both range from 10 nm to 100 nm; the second films and the fourth films are silicon dioxide layers, and the thickness of the second films and the thickness of the fourth films both range from 50 nm to 100 nm; the fifth films are nano-silver layers, and the thickness of the fifth films ranges from 5 nm to 20 nm; the sixth films are high hardness layers, and the thickness of the sixth films ranges from 10 nm to 50 nm. The preparing method includes the following steps that 1, the substrate is washed; 2, the inner surface and the outer surface of the substrate are coated with the films. By means of the lens, the definition can be effectively increased, the anti-blue-light effect can be effectively improved, dazzling can be prevented, the wear resistance can be improved, bacterium growth can be effectively inhibited, and the lens has the harmful-bacterium killing performance.

The invention relates to a medical preparation, in particular to a medicine composition for relieving eyestrain. The effective constituents of the composition are composed of, by weight, 0.01 part to 0.3 part of oviductus ranae, 0.01 part to 0.03 part of xanthin, 0.01 part to 0.03 part of vitamin A, and 1 part to 5 parts of water extract containing fructus lycii, folium mori, semen cassiae, blueberries and Cassia tora, wherein the weight of fructus lycii, the weight of folium mori, the weight of semen cassiae, the weight of the blueberries and the weight of Cassia tora are the same. The composition can resist eyestrain and is suitable for people with computer eyestrain syndromes, VDT eyestrain, computer vision syndromes, computer terminal syndromes, eyestrain and the like.

The invention relates to a warning board, in particular to a safety warning board for road construction. According to the safety warning board for road construction, moving is convenient, and the occupied position is small. The safety warning board for road construction comprises a warning board body, a rotating mechanism, a lifting mechanism, a left-right moving mechanism, an electricity storagemechanism, fixing mechanisms and a first mounting frame. The fixing mechanisms are mounted at the two ends of the first mounting frame, the left-right moving mechanism and the electricity storage mechanism are sequentially and fixedly connected to the top of the first mounting frame in the length direction of the first mounting plate, and the lifting mechanism is fixedly connected to the output end of the left-right moving mechanism. The rotating mechanism is fixedly connected to the output end of the lifting mechanism. According to the safety warning board for road construction, the effects that more striking warning is achieved, the warning board is more easily seen, and warning is reinforced are achieved.

The invention relates to an LCM (Liquid Crystal Display Module) display system based on environment illumination intensity and an LCM display method realized by the utilization of the LCM display system arranged on mobile terminal equipment. The method comprises the following steps: S1, acquiring and processing the environment illumination intensity under which the mobile terminal equipment is positioned; S2, judging whether the acquired environment illumination intensity is larger than an illumination intensity threshold value or not; if yes, outputting a black and white grayscale display instruction and implementing S3; if not, outputting a color display instruction and implementing S4; S3, carrying out image display by the utilization of black and white grayscale display data and by the adoption of a black and white grayscale display mode; S4, carrying out image display by the utilization of color display data and by the adoption of a color display mode. The LCM display system and the LCM display method have the benefits that according to different external environment illumination intensities, the black and white grayscale display mode or the color display mode can be automatically selected for image display, the display capacity under strong light is effectively improved, and the display power consumption is reduced.

The embodiment of the invention discloses a screen brightness regulation method and device. The method comprises the steps that multiple images obtained by continuous shooting of user eyes through electronic equipment in a preset time period are acquired; whether the eyes of a user are fatigued is detected based on the images; and when it is detected that the eyes of the user are fatigued, the screen brightness of the electronic equipment is regulated. The embodiment of the invention furthermore discloses the corresponding screen brightness regulation device. The embodiment is beneficial for regulating the screen brightness of the electronic equipment according to the judgment of whether the user eyes are fatigued, therefore, vision fatigue of the user is relieved, and the eye protection effect of the electronic equipment is improved.

The invention provides a method for producing blueberry alcoholic drink with a health care function and a product thereof. The method comprises the following steps: removing seeds and peel slag from fresh blueberry fruits, drying at 60 DEG C for 24 hours, and grinding until the granularity is 60-80 meshes so as to prepare dried blueberry fruit powder; uniformly stirring and mixing 100 parts of rice wine, 0.5-2 parts of dried blueberry fruit powder, 0.01-0.05 part of an acid regulating agent and 1-5 parts of sourness regulating agent, putting in a wine jar, sealing, soaking for 10-30 days at room temperature, filtering the soaked wine by virtue of a strainer which has a filtering pore diameter of 0.1mm, and standing for clarifying for 3-5 days; and mixing the mixed soaked wine body to prepare mixed wine with a certain alcoholic strength and effective ingredient content, wherein the content of procyanidine is more than or equal to 60mg/100ml, and the content of anthocyanin is more than or equal to 30mg/100ml. The blueberry alcoholic drink has high content of procyanidine and anthocyanin and stable quality, and has health-care effects of relieving visual fatigue, improving eyesight, retarding senescence of cranial nerve, reinforcing memory and the like.

The present invention is applicable to the technical field of virtual reality, and provides an eyesight protection method and apparatus, and a terminal. The method comprises: acquiring an eye feature parameter of a user and recording duration of usage of the user by using a virtual reality device; determining a visual fatigue level of the user according to the eye feature parameter and the duration of usage by using the virtual reality device; and carrying out a corresponding eyesight protection action according to the visual fatigue level of the user by using the virtual reality device. In the method, the visual fatigue level of the user is determined by using the visual reality device and the corresponding eyesight protection action is adopted, so that, based on diversified eyesight protection actions, the eyesight of the user is effectively protected, the visual fatigue of the user is relieved, and better user experience of the virtual reality device is achieved.

The invention relates to a vehicle-mounted head-up display system based on transparent imaging glass. The system comprises a vehicle head and a front windshield. A projector and a central processing unit used for controlling the projector are arranged in the vehicle head. The protector is connected with the central processing unit through a data line. The top of the vehicle head is provided with a light-pervious hole and a mirror outside a vehicle, the light-pervious hole can project an image in the projector, the mirror can reflect the image transmitted from the light-pervious hole to the front windshield, the front windshield is formed by stacking and fusing a transparent supporting layer and a nanoparticle thin film layer, and the nanoparticle thin film layer is a transparent material layer where nanoparticles are evenly distributed with a resin material as a carrier. Product investment cost is low, the projection image of the projector is reflected on the front windshield through light and can display a 2.5D or 3D image effect, light utilization efficiency reaches 24-30%, a clearer image can be represented, visual fatigue is effectively relieved, a projection device can be effectively hidden, and an optical path is corrected to prevent the vision in a cab from being sheltered.

The invention relates to a blue light-filtering sterilizing wear-resistant lens and a manufacturing method thereof. The lens comprises a substrate; and the inner and outer surfaces of the substrate are symmetrically and sequentially provided with, from interior to exterior, first films, second films, third films, fourth films and fifth films, wherein the first films are sterilization layers with a thickness of 10 to 100 nm, the second films are silicon dioxide layers with a thickness of 50 to 100 nm, the third films are metal layers with a thickness of 5 to 20 nm, the fourth films are nano-silver layers with a thickness of 5 to 20 nm, and the fifth films are high-hardness layers with a thickness of 10 to 50 nm. The manufacturing method comprises the following steps: 1) cleaning the substrate; and 2) respectively coating the inner and outer surfaces of the substrate with the films. The lens provided by the invention can effectively filter out harmful blue light and dazzle light; the high-hardness layers can substantially improve the wear resistance of the lens; and the nano-silver layers can effectively inhibit growth of bacteria and kill harmful bacteria.

The invention relates to a backlight brightness adjusting method and a device thereof, which belong to the technical field of electronics. The method comprises the following steps: acquiring a brightness curve, wherein the brightness curve is used for representing a corresponding relationship between an ambient light brightness value and a backlight brightness value; obtaining an ambient light brightness value of the current environment; acquiring an image brightness value of the current frame image; determining a target backlight brightness value according to the brightness curve, the ambientlight brightness value and the image brightness value; and adjusting the backlight brightness of a screen according to the target backlight brightness value. According to the invention, the backlightbrightness of the screen is adjusted by combining the ambient light brightness value and the image brightness value of the current frame image, so that the adjusted backlight brightness of the screencan better meet the watching requirements of human eyes, a user feels more comfortable when watching the screen, the visual fatigue is relieved, and the watching experience of the user is improved.

The invention discloses DHA phosphatidylserine tablets. The DHA phosphatidylserine tablets comprise sorbitol, microcrystalline cellulose, phosphatidylserine, DHA algae oil powder, taurine, spina dateseed powder, grape powder, acerola cherry fruit powder, lily root flour and magnesium stearate. According to the tablets disclosed by the invention, the value of DHA algae oil can be exerted to the largest extent, and the effects of beneficial components in other raw materials can be fully exerted. According to the tablets disclosed by the invention, the phosphatidylserine and DHA algae oil complement each other, so that the tablets can achieve the effect of retarding intelligence weariness and asthenopia and are particularly suitable for modern brainworkers. In addition, the taurine can improve nerve conduction functions and vision functions, and has important effects on maintaining the normal structure and the functions of the eye tissue.