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8164706 |
Liquid crystal display device and board clip mountable on the liquid crystal display device
In a liquid crystal display device 100 provided by the present invention, at least a part of a circuit board 16 can be held on an outer side surface 30B of a frame 30 by a board clip 50 mounted on...
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8119974 |
Microprocessor based automatically dimmable eye protection device with interruption prevention
An auto darkening eye protection device comprising a shutter assembly and a control circuit in electrical communication with the shutter assembly. The shutter assembly is adjustable between a clear...
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8102476 |
Display devices including an oxide semiconductor thin film transistor
A display device including an oxide semiconductor thin film transistor is provided. The display device includes at least one thin film transistor, and at least one storage capacitor. The storage...
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8089424 |
Functional display type anti-blinding device
Disclosed is a functional display type anti-blinding device having an anti-blinding plate for indication and control of a screen display condition and variation in light transmittance. The...
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8081262 |
Safety sun glasses with high intensity light protection
A pair of safety sunglass, particularly for use when arc welding, includes auto darkening lenses having suitable characteristics for providing high intensity light protection during welding...
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8049151 |
Digital type anti-glare device using touch and method of controlling the same
Disclosed is a digital type anti-glare device capable of conveniently performing input, operation and adjustment, and a method of controlling the same. The digital type anti-glare device includes a...
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8035761 |
Shading device for welding helmet
Disclosed is a shading device for a welding helmet in which a circuit portion (the second frame) having a high error rate and the remaining portion can be separated from each other and only the...
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7995070 |
Color processing apparatus and method thereof
In order to obtain an excellent color processing result by calculating an optimal white point in partial adaptation, first white point data which indicates white of a device is input, the first...
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7995153 |
Image processing system capable of changing a polarization angle of a polarized image and related method
An image processing system includes a display device, a liquid crystal module, and a control device. The display device is used for outputting a first set of images and a second set of images. The...
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7884888 |
Automatic darkening filter with offset polarizers
A protective automatic darkening filter construction 10 includes two low twist liquid crystal cells 26, 30 interspersed between a series of offset polarizers 24, 28, 32. The resulting construction...
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7868278 |
Eye-protection device having dual high voltage switching
An auto darkening eye protection device comprising a shutter assembly and a control circuit. The shutter assembly is adjustable between a light state and a dark state. The control circuit comprises...
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7800034 |
Dazzle protection unit for a portable dazzle protection device including a light capturing element guiding light to at least one sensor
A dazzle protection unit (1) for a portable dazzle protection device that includes an optical dazzle protection filter (3) and at least one sensor (5) for the sensing of incident light and for...
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7755019 |
Microprocessor based automatically dimmable eye protection device with interruption prevention
An auto darkening eye protection device comprising a shutter assembly and a control circuit in electrical communication with the shutter assembly. The shutter assembly is adjustable between a clear...
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7750283 |
Microprocessor based automatically dimmable eye protection device with interruption prevention
An auto darkening eye protection device comprising a shutter assembly and a control circuit in electrical communication with the shutter assembly. The shutter assembly is adjustable between a clear...
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7659495 |
Auto darkening eye protection device having a regulated solar power supply
An auto darkening eye protection device including a shutter assembly, a control circuit, and a power supply. The control circuit includes a sensing circuit for sensing the occurrence of welding,...
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7626653 |
Liquid crystal display device
The liquid crystal display device has a rear frame, a reflection sheet, a backlight, a pair of light frames, a liquid crystal panel, a bezel. The device further includes a cell guide for fixing the...
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7585068 |
Method and apparatus for calibrating glare-shielding glasses
The present invention is directed to a method and apparatus for assuring that dynamic glare-shielding devices are properly characterized for the optical arrangement of a particular user by using a...
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7567306 |
Liquid crystal ski goggles and methods of manufacturing the same
A goggle includes a lens assembly which comprises a front lens, a rear lens spaced apart from the front lens, and a liquid crystal device disposed on one of the lenses. The goggle includes a frame,...
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7564014 |
Apparatus for detecting welding light and protecting eyes from glare and method for controlling the same
A welding light detection and anti-glare eye protection apparatus, which shields welding light generated in welding or cutting environments to safely protect eyes of a worker from the welding...
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7557870 |
Nuclear hardened liquid crystal display
A nuclear hardened liquid crystal display (LCD) and a method for hardening a liquid crystal display is provided. The nuclear hardened LCD can include an LCD glass laminate stack. The LCD glass...
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7477330 |
Automatic darkening filter with offset polarizers
A protective automatic darkening filter construction 10 includes two low twist liquid crystal cells 26, 30 interspersed between a series of offset polarizers 24, 28, 32. The resulting construction...
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7470880 |
Apparatus for detecting electromagnetic wave and protecting eyes from glare
An anti-glare eye protection apparatus includes an anti-glare eye protection plate, an optical detector, an electromagnetic wave sensor, an electromagnetic wave detector, a user interface, a main...
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7446292 |
Eye-protection device having dual high voltage switching
An auto darkening eye protection device comprising a shutter assembly and a control circuit. The shutter assembly is adjustable between a light state and a dark state. The control circuit comprises...
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7342210 |
Remote control for auto-darkening lens systems and method
A wireless remote control is provided for an auto-darkening lens (ADL) system used in a welding helmet, respirator system or other device to control or to adjust settings of an ADL of a...
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7326364 |
Complex light-compensation C plate with two or more of C plates different in dispersion ratio value and liquid crystal display using the same
Disclosed is a complex light compensation C plate including at least two C plates representing different dispersion ratio values, respectively. The complex light compensation C plate improves a...
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7271854 |
Nuclear hardened liquid crystal display
A nuclear hardened liquid crystal display (LCD) and a method for hardening a liquid crystal display is provided. The nuclear hardened LCD can include an LCD glass laminate stack. The LCD glass...
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7232988 |
Microprocessor based automatically dimmable eye protection device with interruption prevention
An auto darkening eye protection device comprising a shutter assembly adjustable between a clear state and a dark state and a control circuit. The control circuit is provided with a...
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7008055 |
Eye protection methods and apparatus
An eye protection apparatus includes a selectively darkenable element, such as a liquid crystal panel, and a controller that causes transmission of a darken signal that causes the selectively...
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6995812 |
Liquid crystal display device
The present invention provides a liquid crystal display device which can largely suppress the reduction of contrast which occurs in a light reflection mode of a liquid crystal display device. On a...
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6992731 |
Electro-optic lens having multiple responsive regions of a variable degree of light transmission, method of fabrication thereof and method of operation thereof
The present invention is directed to a lens having a variable light transmission in response to variations in incident light intensity. The lens is useful for providing eye protection from...
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6941577 |
Antiglare device for welding protective masks
A glare protection device for a welding protective mask includes an active electro-optical protective filter (2) and an electronic circuit (10). An UV-detector (UVD), which serves as an optical...
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6912018 |
Electro-optical glazing structures having total-reflection and transparent modes of operation for use in dynamical control of electromagnetic radiation
Electro-optical glazing structures having total-reflection and semi-transparent and totally-transparent modes of operation which are electrically-switchable for use in dynamically controlling...
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6891681 |
Anti-glare protection device
An anti-glare protection device, for example a pair of welding goggles, a welding mask or a welding helmet, includes a supporting part with a sight opening (3), an optical filter element arranged...
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6796652 |
Glare-protection device with a screened evaluation circuit
A glare-protection device contains an active filtering element (11) with influenceable light transmission such as a liquid crystal cell. The glare-protection device also contains an electronic...
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6771327 |
Liquid crystal display device with an input panel
A liquid crystal display device comprises a liquid crystal display panel (4) made up by coupling a first substrate (1) and a second substrate (6), having an electrode (2, 7) provided on respective...
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6687038 |
Optical pulse observing device
An optical pulse observing device enables the clear observation of indirect laser light of pulse laser light. The optical pulse observing device to be used by a user for observing pulse...
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6646780 |
Sheet-like display medium including switching layer, and display element and device utilizing the same
A sheet-like display medium includes a switching layer containing a switching material having a light absorption spectrum which changes in a visible light range when a voltage no less than a...
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6614409 |
Glare shielding device of welding helmet and method of controlling the same
The present invention discloses a glare shielding device. The glare shielding device includes a microprocessor for controlling an activation time and a driving time of a liquid crystal panel. The...
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6557174 |
Replaceable, self-contained expanded viewing light shield cartridge for welding helmet
An electronic quick change cartridge for a welding helmet. The cartridge base is formed of an optically dense polycarbonate or like material that acts as a passive filter to provide eye protection...
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6552316 |
Glare protecting device utilizing both optical and non-optical detectors and method of controlling thereof
A glare protecting device for protecting a worker's eyes from a light comprising a solar cell for generating a solar voltage when the light is applied thereto; an optical detector for generating a...
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6501443 |
Method of controlling liquid crystal lens in solar powered spectacles using light sensors
In a pair of spectacles using liquid crystal lenses, an electrical circuit, for controlling the optical transmission of the liquid crystal lenses, controls the amplitude and/or duty cycle of the...
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6483090 |
Glare protecting device and method of controlling thereof
A glare protecting device and a method of controlling thereof for protecting a worker's eyes from a light comprising: a temperature detector for generating a temperature detecting signal by...
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6252829 |
Electronic watch
An electronic watch diversifies the mode of display for numeric information and the like to presents the information using the natural ambient light or a back light. The electronic watch may...
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6170947 |
Light protection system
A system for protection from light generated by interaction of laser energy with matter is provided. The system, which is designed for use with lasing apparatus having a laser, includes an optical...
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6097451 |
Liquid crystal shutter with low twisted nematic liquid crystal cells driven with a low frequency or DC voltage
A liquid crystal shutter construction (18), suitable for a glass shield and a welding glass filter, which shutter construction is able to switch between a high light absorbing dark state and a low...
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6089693 |
Pagewidth ink jet printer including multiple pass defective nozzle correction
A liquid ink printer, depositing ink drops to form an image, including a pagewidth printbar, movable to print a complete image when defective nozzles of the printbar are identified. A positioning...
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6070264 |
Welding helmet having auto-darkening and manually adjustable lens shade control
A welding helmet includes a shutter assembly with an electronically controlled liquid crystal shutter in a compact housing for physical mounting near the face area of a protective shell. The...
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6067129 |
Welding lens with integrated display and method
An integral indicator or display for a welding lens, which has a twisted nematic liquid crystal cell light shutter, includes plural independently operable twisted nematic liquid crystal cell...
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6021520 |
Eyeshield for a welder's mask
A welder's eyeshield includes a helmet having a face portion with a lens window provided thereon, a liquid crystal assembly mounted on the lens window, an optical filter juxtaposed with the liquid...
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5959705 |
Welding lens with integrated display, switching mechanism and method
A switch activating system for an automatically darkening lens system and an automatically darkening lens system including such a switch activating system, includes a cover plate through at least...
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