| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 359489070 |
Waveplate or retarder
| 99 |
| 359489080 |
Beam deflector or splitter
| 35 |
| 359489150 |
Plural birefringent elements
| 8 |
| 359489020 |
With compensation techniques
| 8 |
| 359489060 |
Form birefringent element | 3 |
| 20120262786 | FILM, POLARIZING PLATE AND DISPLAY DEVICE, AND METHOD OF MANUFACTURING FILM - Provided is a film of which the slow axis in plane does not comply with TD direction nor MD direction of the film and which is excellent in adequacy of pasting with other components. The film is a long film comprising at least a first molecule expressing positive intrinsic birefringence and a second molecule expressing negative intrinsic birefringence, having a slow axis in plane in a direction which is neither parallel nor orthogonal to the longitudinal direction of the long film, and the direction of the slow axis in plane being neither parallel nor orthogonal to the individual directions of alignment of the first and second molecules. | 10-18-2012 |
| 20160116754 | Dielectric Polarizing Beam Splitter - The invention is a dielectric polarizing beam splitter including a grating-layer disposed over a substantially planar surface of a substrate. The grating-layer can include an array of elongated, substantially-parallel alternating high-index regions and low-index regions. An index of refraction (n | 04-28-2016 |
| 20160154160 | METHOD FOR MANUFACTURING ORIENTED-FIBER COMPOSITE MATERIAL, ORIENTED-FIBER COMPOSITE MATERIAL MANUFACTURED THEREBY, REFLECTIVE POLARIZING LIGHT FILM COMPRISING ORIENTED-FIBER COMPOSITE MATERIAL AND METHOD FOR MANUFACTURING REFLECTIVE POLARIZING LIGHT FILM | 06-02-2016 |
| 359489140 |
Lens | 1 |
| 20110292505 | LOW THERMAL STRESS BIREFRINGENCE IMAGING LENS - An imaging lens having reduced susceptibility to thermally-induced stress birefringence for imaging an object plane to an image plane; comprising: an aperture stop positioned between the object plane and the image plane; a first group of lens elements located on the object plane side of the aperture stop; and a second group of lens elements located on the image plane side of the aperture stop; wherein the lens elements immediately adjacent to the aperture stop are fabricated using glasses having a negligible susceptibility to thermal stress birefringence as characterized by a thermal stress birefringence metric; and wherein the other lens elements in the first or second groups of lens elements are fabricated using glasses having at most a moderate susceptibility to thermal stress birefringence as characterized by the thermal stress birefringence metric. | 12-01-2011 |
| Entries |
| Document | Title | Date |
|---|
| 20110085238 | OPTICAL ELEMENT AND OPTICAL APPARATUS - The present invention provides a small and inexpensive optical element that integrates a reflecting mirror and a wave plate function. A reflecting wave plate is configured by arranging a periodic metal comb-like structure whose pitch is equal to or below a wavelength and a mirror structure with a distance equal to or below a coherence length. | 04-14-2011 |
| 20110134524 | BIREFRINGENT MATERIAL - An artificial birefringent element having a repeating unit comprising at least first and second layers alternatively stacked, the first and second layers being formed of materials having different refractive indices. | 06-09-2011 |
| 20120120489 | BIREFRINGENT DIFFUSER - A birefringent diffuser includes a first optical material and a first birefringent material. The first optical material and the first birefringent material are combined to form a planar layer. The planar layer has an internal pattern of the materials presenting a substantially uniform index of refraction for incident light which is substantially normal to the planar layer and exhibiting a varying index of refraction for at least a portion of light which is trapped in guided modes. | 05-17-2012 |
| 20120281280 | BIREFRINGENT DEVICE WITH APPLICATION SPECIFIC PUPIL FUNCTION AND OPTICAL DEVICE - A birefringent device, which is configured to be mounted in an optical path of an optical system, has an effective area in a pupil plane. The birefringent device affects different polarization states differently and position-dependently. The birefringent device realizes a first pupil function assigned to a first polarization state and a second different pupil function assigned to a second polarization state. The pupil functions may be optimized to achieve various specific optical properties like extended depth of field. | 11-08-2012 |
| 20130301128 | METHOD FOR POLARIZING TERAHERTZ ELECTROMAGNETIC WAVE USING POLARIZER, AND POLARIZER - The present invention is drawn to a method for polarizing an electromagnetic wave having a frequency of not less than 0.1 THz and not more than 0.8 THz using a polarizer, the method comprising a step (a) of preparing the polarizer;
| 11-14-2013 |
| 20130314788 | REFLECTIVE OPTICAL FILM AND METHOD OF MANUFACTURING THE SAME, AND IMAGE DISPLAY DEVICE - A reflective optical film includes a reflective light-polarizing unit including a multilayer reflective sheet composed of a plurality of polymer films stacked on top of one another. Each polymer film has a thickness, every two adjacent polymer films are two different materials, and the thicknesses of the polymer films are gradually decreased from two outmost sides of the multilayer reflective sheet to a middle of the multilayer reflective sheet. At least one of the polymer films is a birefringence material layer that conforms to the condition of NX≠NY≠NZ, where NX is the index of refraction of light at X direction of the multilayer reflective sheet, NY is the index of refraction of light at Y direction of the multilayer reflective sheet, and NZ is the index of refraction of light at Z direction of the multilayer reflective sheet. | 11-28-2013 |
| 20140043684 | POLYMER FOR OPTICAL FILM, AND OPTICAL FILM INCLUDING SAME - Disclosed is a polymer comprising a repeating unit represented by Chemical Formula 1, or a polymer comprising a repeating unit represented by Chemical Formula 2: | 02-13-2014 |
| 20140049823 | BIREFRINGENT POLYMER BRUSH STRUCTURES FORMED BY SURFACE INITIATED RING-OPENING METATHESIS POLYMERIZATION - The disclosure describes a polymer brush structure exhibiting birefringence, said polymer brush structure comprising a plurality of substantially parallel oriented polymers and characterized by a longitudinal z-direction having a first refractive index, n | 02-20-2014 |
| 20140211310 | OPTICAL LAYERED BODY, POLARIZER, METHOD FOR PRODUCING POLARIZER, IMAGE DISPLAY DEVICE, METHOD FOR PRODUCING IMAGE DISPLAY DEVICE, AND METHOD FOR IMPROVING VISIBILITY OF IMAGE DISPLAY DEVICE - The present invention provides a method for improving visibility of an image display device which is capable of providing an image display device excellent in anti-reflection properties and bright-field contrast even using an optical layered body including a light-transmitting substrate having in-plane birefringence, such as a polyester film. The method of the present invention is a method for improving visibility of an image display device that has an optical layered body including a light-transmitting substrate having in-plane birefringence and an optical functional layer disposed on one surface of the substrate. The method includes the step of disposing the optical layered body such that the slow axis showing a greater refractive index of the light-transmitting substrate is in parallel with the vertical direction of a display screen of the image display device. | 07-31-2014 |
| 20160025912 | MULTIFUNCTION PACKING FILM AND DISPLAY APPARATUS - The present invention relates to a processing technology of OLED display, more particularly, relates to a multifunction packaging film and a display apparatus. The multifunction packaging film comprising a plurality of film layers with functions different from each other, wherein the plurality of film layers are laminated with one on another and at least comprise a polarizing film layer, a phase difference film layer, a water and oxygen resistance film layer, and a support film layer. The multifunction packaging film provided in the present invention is attached on the OLED device after performing a simple film packaging on the OLED device, achieving the anti reflection function as well as the water and oxygen resistance function, simplifying the packaging process of the OLED device, effectively reducing the thickness and weight of the OLED device, and enhancing the display quality of the OLED device. | 01-28-2016 |
| 20160146982 | BRIGHTNESS ENHANCING FILM WITH EMBEDDED DIFFUSER - Brightness enhancing films with embedded diffusers are described. More specifically, films including a birefringent substrate, a prismatic layer carried by the substrate having linear prisms, and an embedded structured surface disposed between the substrate and the prismatic layer are disclosed. The embedded structured surface may include closely-packed structures. Processes for producing embedded structured surfaces having particular topographies are also disclosed. | 05-26-2016 |
