| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 349002000 | Liquid crystal for recording or imaging on photosensitive medium | 30 |
| 20090059101 | METHOD AND APPARATUS FOR AUTO-FOCUS USING LIQUID CRYSTAL ADAPTIVE OPTICS - An auto-focus camera ( | 03-05-2009 |
| 20090115921 | OPTICAL RECORDING AND REPRODUCING APPARATUS - An optical recording and reproducing apparatus which suppresses the generation of a noise component in a servo signal while preventing a deterioration in using efficiency of a light beam is provided. The optical recording and reproducing apparatus has an optical pickup including a liquid crystal correcting element, a liquid crystal element control unit, a memory, and an operation mode control unit. The memory stores a plurality of correction data sets respectively corresponding to a plurality of refractive index distribution to be formed by the liquid crystal correcting element. The liquid crystal element control unit selectively reads out the correction data set corresponding to the operation mode designated by the operation mode control unit from the memory and supplies a driving voltage according to the read-out correction data set to the liquid crystal correcting element. | 05-07-2009 |
| 20100053481 | OPTICAL ELEMENT, OPTICAL APPARATUS AND IMAGING APPARATUS - An optical element is disclosed. The optical element may include a container having a holding chamber; a polarized or conductive and transparent first liquid filled in the holding chamber; a liquid crystal filled in the holding chamber and not mutually mixing with the first liquid; first and second electrodes applying an electric field to the first liquid; and voltage application means for applying voltage between the first electrode and the second electrode. | 03-04-2010 |
| 20100085495 | OPTICAL HEAD DEVICE AND OPTICAL INFORMATION RECORDING/REPRODUCING DEVICE - In front of the objective lens of an optical head deice, a birefringence correction element ( | 04-08-2010 |
| 20100231816 | OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME - An optical scanning device includes a light source, an optical system, and a housing. The light source projects a light beam. The housing includes a holder and encloses the optical system. The optical system includes a liquid crystal element held by the housing via the holder, to modulate a phase of the light beam projected from the light source against a scanned surface. The liquid crystal element includes a plurality of substantially transparent substrates, a liquid crystal layer, and a sealing member. One of the plurality of the transparent substrates has a size larger than any other transparent substrates and is positioned in the holder. The liquid crystal layer is sandwiched between the plurality of substantially transparent substrates. The sealing member seals the liquid crystal layer between the plurality of substantially transparent substrates. | 09-16-2010 |
| 20100296011 | RECORDING DEVICE, RECORDING SYSTEM, AND RECORDING METHOD - A recording device includes a first voltage application unit that applies a first voltage to a display layer; a second voltage application unit that applies a second voltage; a first irradiation unit that irradiates to the display layer first light synchronized with the application of the second voltage; a second irradiation unit that irradiates to the display layer a second light after the application of the second voltage is terminated, the second light having a third intensity if the second light is irradiated at an area corresponding to the first tone in the second liquid crystal layer, the second light not being irradiated if the second light is irradiated at an area corresponding to the second tone in the second liquid crystal layer. | 11-25-2010 |
| 20100321595 | CAMERA MODULE WITH LIQUID CRYSTAL MODULE - An exemplary camera module, includes a lens group, an image sensor, and a liquid crystal module disposed between the lens group and the image sensor. The liquid crystal module includes a first glass substrate adjacent to the image sensor, an opposite second glass substrate, a plurality of liquid crystal molecules arranged between the first glass substrate and the second glass substrate, a first transparent electrode layer formed on the first glass substrate and facing the liquid crystal molecules, and a second transparent electrode layer formed on the second glass substrate and facing the liquid crystal molecules. The liquid crystal molecules are configured for adjusting light path of the light transmitting therethrough in response to an electric field between the first and second transparent electrode layers, thus adjusting depth of field of the camera module. | 12-23-2010 |
| 20110019111 | DISPLAY MEDIUM AND RECORDING APPARATUS - A display medium comprises: a pair of electrodes to which a voltage is applied; a cholesteric liquid crystal layer provided between the pair of electrodes, wherein an alignment state of the cholesteric liquid crystal layer changes depending on a strength of an electric field generated upon application of a voltage to the pair of electrodes; and an intervening layer provided in an area between a part of the cholesteric liquid crystal layer and one of the pair of electrodes such that a strength of an electric field generated in the part of the cholesteric liquid crystal layer upon application of a voltage to the pair of electrodes is different from a strength of an electric field generated in another part of the cholesteric liquid crystal layer. | 01-27-2011 |
| 20110037910 | LIQUID CRYSTAL OPTICAL MODULATION ELEMENT AND OPTICAL HEAD DEVICE - To provide a liquid crystal optical modulation element which is excellent in durability against blue laser and which can maintain the characteristics for a long period of time. | 02-17-2011 |
| 20110051021 | OPTICALLY INTELLIGENT IMAGE SENSING DEVICE - An optically intelligent image sensing device is provided. By applying different potentials across different electrode sections in the image sensing device, the electric field profiles of the corresponding liquid crystal layer sections bend the lights passing through the liquid crystal layer sections in a predetermined manner. In one embodiment, all of a certain color light entering the image sensing device can be bent towards a color filter for the specific color, thereby entering the light sensor for the specific color light. Accordingly, the optically intelligent image sensing device has improved optical efficiency. An arrangement for an array of different electrode and light sensing sections in the image sensing device is also provided as an example for how each electrode may be connected to the optically intelligent image sensing device control signals. An example using the present optically intelligent image sensing device to improve the optical efficiency of an image capturing device is also described. | 03-03-2011 |
| 20110181797 | WAFER-LEVEL FABRICATION OF LIQUID CRYSTAL OPTOELECTRONIC DEVICES - Liquid crystal optoelectronic devices are produced by fabricating a wafer-level component structure and affixing a plurality of discrete components to a surface structure prior to singulating the individual devices therefrom. After singulation, the individual devices include a portion of the wafer-level fabricated structure and at least of the discrete components. The wafer-level structure may include a liquid crystal and controlling electrodes, and the discrete components may include fixed lenses or image sensors. The discrete components may be located on either or both of two sides of the wafer-level structure. Multiple liquid crystal layers may be used to reduce nonuniformities in the interaction with light from different angles, and to control light of different polarizations. The liquid crystal devices may function as optoelectronic devices such as tunable lenses, shutters or diaphragms. | 07-28-2011 |
| 20110304782 | Phase-type diffraction device, manufacturing method thereof and image pick-up apparatus - A phase-type diffraction device includes a substrate having a front surface and a solidified liquid crystal layer formed on the front surface of the substrate and constituted by a continuous film containing at least a liquid crystal compound. The solidified liquid crystal layer is constituted by first, second and third regions arranged periodically, the third region being interposed between the first region and the second region. The first region is optically anisotropic and the second region is optically isotropic, the third region is not optically isotropic, a degree of orientation of mesogens of the liquid crystal compound being lower than that of the first region. An in-plane average refractive index n | 12-15-2011 |
| 20120105743 | Liquid crystal light adjusting device and imaging apparatus - A liquid crystal light adjusting device includes: a first liquid crystal layer on which light from one surface is incident; and a reflective film which reflects light transmitted through the first liquid crystal layer, wherein the first liquid crystal layer has adjacent alignment regions, and orientation directions of liquid crystal molecules in the adjacent alignment regions are different. | 05-03-2012 |
| 20120105744 | IMAGING - A method and apparatus are disclosed for generating a plurality of scattered radiation patterns at an image an optical microscope. The apparatus includes at least one lens element, a liquid crystal display (LCD) array, and a housing comprising a body portion supporting the LCD array and lens element in a predetermined spaced apart relationship. | 05-03-2012 |
| 20120127380 | TUNABLE LIQUID LENS WITH REDUCED ABERRATION - A tunable optical imaging system uses a fixed lens and a tunable liquid crystal lens that is operated only outside of an operational range of high aberration. A voltage range applied to change the optical power of the liquid crystal lens is limited to a continuous tunable range of low aberration. The relative positioning between the lens and a corresponding photodetector, and the relative lens powers of a fixed lens and the tunable lens, may be selected to compensate for any optical power offsets resulting from the limitation of the voltage range of the tunable lens. The lens may be operated in either positive tunability or negative tunability mode. | 05-24-2012 |
| 20120307165 | Imaging System - An imaging system for imaging an object onto an image sensor, and which has a front side facing the object and a rear side facing away from the object, the rear side being arranged behind the front side as viewed from the object. Furthermore, the imaging system has a light entrance device at the front side through which light coming from the object can enter into the imaging system. In this case, the light traverses the beam path between object and image sensor. At least one first and one second optical element are likewise present and are arranged at the rear side in such a way that they can influence the beam path. The light entrance device has an electrically switchable liquid crystal element which deflects the beam path at at least one first angle and a second angle which is different from the first angle depending on the electrical switching state. A discretely switchable focal length change is realized by this electrically effected change in the beam path. | 12-06-2012 |
| 20120320287 | DISPLAY DEVICE - A display device including: an organic light emitting display unit formed on a first substrate, the organic light emitting display unit comprising first and second electrodes facing each other, and an organic emissive layer formed between the first and second electrodes; and a liquid crystal display unit formed on a second substrate facing the first substrate, the liquid crystal display unit configured to operate as a liquid crystal shutter in response to an electrical potential difference, wherein a resonance structure of the organic light emitting display unit enables the liquid crystal display unit to form an image in a color reflected from each pixel of the organic light emitting display unit. | 12-20-2012 |
| 20130100361 | OPTICALLY INTELLIGENT IMAGE SENSING DEVICE - An optically intelligent image sensing device is provided. By applying different potentials across different electrode sections in the image sensing device, the electric field profiles of the corresponding liquid crystal layer sections bend the lights passing through the liquid crystal layer sections in a predetermined manner. In one embodiment, all of a certain color light entering the image sensing device can be bent towards a color filter for the specific color, thereby entering the light sensor for the specific color light. Accordingly, the optically intelligent image sensing device has improved optical efficiency. An arrangement for an array of different electrode and light sensing sections in the image sensing device is also provided as an example for how each electrode may be connected to the optically intelligent image sensing device control signals. An example using the present optically intelligent image sensing device to improve the optical efficiency of an image capturing device is also described. | 04-25-2013 |
| 20140063356 | HANDHELD ELECTRONIC DEVICE - A handheld electronic device has a display side and a back side opposite to the display side. The handheld electronic device includes a case, a host system, an optical device, an opening region, and a liquid crystal light valve. The host system and the optical device are disposed in the case, and the optical device is electrically coupled to the host system. The opening region is located on the display side or the back side to expose the optical device. The liquid crystal light valve is disposed in the opening region and is electrically coupled to the host system to control the luminous flux passing through the opening region. | 03-06-2014 |
| 20140078408 | LIQUID CRYSTAL SHUTTER AND IMAGE CAPTURING APPARATUS - A liquid crystal shutter configured to divide an optical path in an image capturing apparatus which captures 3D images is provided. The liquid crystal shutter includes an upper plate and a lower plate, and a liquid crystal layer disposed between the upper plate and the lower plate. Each of the upper plate and the lower plate includes a transparent plate, a polarizing film formed on an outer surface of the transparent plate, and an electrode layer formed on an inner surface of the transparent plate. A heating unit configured to heat the liquid crystal layer is disposed on any one of the electrode layer of the upper plate and the electrode layer of the lower plate. | 03-20-2014 |
| 20140327837 | ENHANCED VISION SYSTEM IMPLEMENTED WITH OPTICAL SHUTTER ALTERNATELY TRANSMITTING VISIBLE RADIATION AND NEAR INFRARED RADIATION - An optical shutter employed in an enhanced vision system includes a wavelength selective polarizing filter in optical association with a liquid crystal polarization modulator to rapidly switch between optical states to alternately transmit visible (VIS) radiation and near infrared (NIR) radiation. The wavelength selective polarizing filter imparts a polarization state to incident radiation and transmits polarized radiation within at least the visible wavelength region. The liquid crystal polarization modulator receives incident radiation for internal propagation through the modulator and responds to first and second values of an applied control signal to switch the internally propagating radiation to, respectively, first and second polarization states. The switching between first and second polarization states produces, in cooperation with the wavelength selective polarizing filter, optical shutter output VIS and NIR radiation. A computer processes the output VIS and NIR radiation to produce for display a composite image formed of visible and infrared elements. | 11-06-2014 |
| 20140347570 | RAPID SWITCHING OPTICAL SHUTTER ALTERNATELY TRANSMITTING VISIBLE RADIATION AND NEAR INFRARED RADIATION - An optical shutter ( | 11-27-2014 |
| 20140362302 | SYSTEMS, DEVICES, AND METHODS INCLUDING A DARK-FIELD REFLECTED-ILLUMINATION APPARATUS - Systems, devices, and methods are described that modulate a specimen-background dark-field micrograph contrast. | 12-11-2014 |
| 349004000 | Exposure device for lithography | 7 |
| 20080231765 | Electro-optical device - The disclosure is directed to an electro-optical device. In one example, a plurality of pixels each has a pixel pitch and a light transmissible region. A light shielding unit is configured to restrict the light transmissible region of each of the pixels to a region a size of 1/M (M being an integer) of the pixel pitch in each of a horizontal direction and a vertical direction for each of the pixels. | 09-25-2008 |
| 20080259228 | APPARATUS AND A METHOD FOR ILLUMINATING A LIGHT-SENSITIVE MEDIUM - The invention relates to an illumination unit for point illumination of a medium comprising a plurality of light emitters in the form of light guides, which are arranged to illuminate at least one illumination face via a light valve arrangement, said light valve arrangement comprising a plurality of electrically controlled light valves, at least one of the light emitters ( | 10-23-2008 |
| 20080273128 | Programmable mask and method of fabricating biomolecule array using the same - The present invention relates to a programmable mask used in a photolithography process for fabricating a biomolecule array and a method of fabricating a biomolecule array using the same and, more particularly, to a programmable mask which can increase a contrast ratio of transmittance versus shielding of light incident to a liquid crystal which constitutes each pixel by irradiating parallel ultraviolet (“UV”) light generated from an external parallel light exposure device to a certain cell and using a vertically aligned liquid crystal panel or an LC panel having no spacer, and a method of fabricating a biomolecule array using the same. | 11-06-2008 |
| 20090021656 | EXPOSURE METHOD AND APPARATUS - When an image of a two-dimensional pattern is formed on a photosensitive material by performing spatial light modulation on light emitted from a light source by a spatial light modulation means including a multiplicity of arranged pixel units and by forming an image by a second imaging optical system after forming an image of each of light beams corresponding to the pixel units, on which the spatial light modulation has been performed, by a first imaging optical system, the imaging position of each of light beams is controlled separately for each of the light beams. Accordingly, the image of the two-dimensional pattern formed on the photosensitive material coincides with an intended two-dimensional pattern. | 01-22-2009 |
| 20090296007 | LIQUID CRYSTAL BLIND, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE USING THE SAME, AND REDUCED PROJECTION EXPOSURE APPARATUS - A liquid crystal blind includes a transparent first electrode layer, a transparent second electrode layer intersecting with the first electrode layer, and a liquid crystal cell formed between the first electrode layer and the second electrode layer, wherein the liquid crystal blind has an irradiation pattern, and a voltage is applied between the first electrode layer and the second electrode layer, thereby setting an irradiation area adapted to apply irradiation light to a semiconductor substrate and determining the irradiation pattern. | 12-03-2009 |
| 20110181798 | EXPOSING DEVICE - An exposing device includes: a first light-emitting element that emits first light; a second light-emitting element that emits second light; and a liquid crystal panel that is disposed between the first and second light-emitting elements and a photoreceptor body to be exposed to the second light, and focuses the second light on the photoreceptor body by a convex refractive index distribution that is formed in the liquid crystal panel by an orientation variation that is caused by illumination with the first light. | 07-28-2011 |
| 20140368748 | LIGHT EXPOSURE SYSTEM AND LIGHT EXPOSURE PROCESS - A light exposure system executes a light exposure process to an assembly cell, which includes a first substrate, a second substrate and a liquid crystal layer disposed between the first and second substrates. The light exposure system comprises a transmission device, two moving stages and a light source module. The moving stages are disposed on the transmission device and at least one of the moving stages carries the assembly cell. The light source module includes at least a light emitting element. The transmission device moves at least one of the moving stages carrying the assembly cell or the light source module and the light emitting element emits the light to the assembly cell. A light exposure process applied to the light exposure system is also disclosed. | 12-18-2014 |
