摘要:
Provided is a photosensitive composition capable of Ruining a pattern having excellent rectangularity and solvent resistance. Provided are also a cured film, a pattern forming method, a color filter, a solid-state imaging element, and an image display device. This photosensitive composition includes a white or colorless pigment A, an alkali-soluble resin B, a polymerizable compound C having an ethylenically unsaturated double bond, a photopolymerization initiator D1 having a light absorption coefficient of 1.0×103 mL/gcm or more at a wavelength of 365 nm in methanol, and a photopolymerization initiator D2 having a light absorption coefficient of 1.0×102 mL/gcm or less at a wavelength of 365 nm in methanol and a light absorption coefficient of 1.0×103 mL/gcm or more at a wavelength of 254 nm, in which the mass ratio of the photopolymerization initiator D1 to the photopolymerization initiator D2 is photopolymerization initiator D1:photopolymerization initiator D2=90:10 to 40:60.
摘要:
The present invention provides aromatic 4,6-bis-trichloromethyl-s-triazin-2-yl compounds of formula (I), a process for producing para-disubstituted benzonitriles as precursor to give compounds of formula (I) and a process for the production thereof.
摘要:
A pressure sensitive holographic recording composition is described wherein the composition comprises diacetone acrylamide, glycerol and citric acid. The composition is capable of recording high diffraction efficiency reflection holograms.
摘要:
A method for forming a color filter array includes the step of forming a first color filter array by forming a first color filter film on a surface of a base member using a coating method and by patterning the first color filter film and the step of forming a second color filter array by forming a second color filter film on the surface so as to cover the first color filter array using a coating method and by patterning the second color filter film. The color filters in the first color filter array are uneven in the width of the clearance between the color filters and/or the widths of the color filters.
摘要:
Embodiments of the present invention provide a prism film and a method and an apparatus for manufacturing the prism film. The prism film comprises a substrate which is provided with prism protrusions formed of photoresist; wherein at least two prism protrusions have different heights. The embodiments of the present invention adopt the laser interference lithography apparatus for forming the prism film, such that the prism film has adjustable prism period and modulation depths. Moreover, the depth of modulation is distributed randomly on the surface of the manufactured prism film, and a prism direction and a prism period can be adjusted conveniently.
摘要:
A photorefractive (PR) polymer composite (310) is provided that includes a charge transporting polymer (CTP) matrix (311) and a photosensitizer (312) comprising a quantum dot (QD) material (314) with a first band gap (315) coupled to a nanoparticle material (317) with a second band gap (316) greater than the first band gap. The photosensitizer (312) is configured to generate a plurality of free charges (318) and to transfer the free charges to the CTP matrix (311) in response to an incident photon (320) on the PR polymer composite (310). An apparatus (500) is also provided, for writing holograms of 3D perspective views of an object from different directions within the PR polymer composite (310). A method (600) is also provided for forming the PR polymer composite.
摘要:
The invention relates to a method for selecting compounds which can be used as additives in photopolymer formulations for producing light holographic media, and to photopolymer formulations which contain at least one softener which are selected according to the claimed method. The invention also relates to the use of photopolymer formulations for producing holographic media.
摘要:
The present invention provides a novel photopolymer formulation comprising matrix polymers, writing monomer and a photoinitiator and further comprising a compound of formula (1) where A1, A2 and A3 are each independently hydrogen, fluorine, chlorine, bromine or iodine, R1, R2, R3, R4 and R5 are each independently hydrogen, halogen, cyano, nitro, amino, alkylimino, azide, isonitrile, enamino, formyl, acyl, carboxyl, carboxylate, carboxamide, orthoester, sulphonate, phosphate, organosulphonyl, organosulphoxidyl, optionally fluorinated alkoxy or an optionally substituted aromatic, heteroaromatic, aliphatic, araliphatic, olefinic or acetylenic radical while suitable radicals may be connected together via bridge of any desired substitution, or in that two or more compounds of formula (I) may be connected together via at least one of the radicals R1, R2, R3, R4 and R5, in which case these radicals therein constitute a 2- to 4-tuply functional bridge, with the proviso that at least one of the radicals R1, R2, R3, R4 and R5 is not hydrogen. Further subjects of the invention are a photopolymer comprising matrix polymers, a writing monomer and photoinitiator, a holographic medium comprising a photopolymer formulation of the present invention or being obtainable by use thereof, the use of a holographic medium of the present invention and also a process for producing a holographic medium by using a photopolymer formulation of the present invention.
摘要:
A method for manufacturing a pattern retarder, which comprises: forming films (2, 5) on a base substrate (1), patterning the films (2, 5) by means of a laser, and forming a region of left-handed circularly polarized light (4) and a region of right-handed circularly polarized light (6). The method for manufacturing the pattern retarder can ensure the alignment accuracy between the pattern retarder and a display panel and ensure the yield ratio of 3D products.
摘要:
A photorefractive composite, a spatial light modulator and a hologram display device using the same include at least one carborane compound expressed as the following Chemical Formulae 1A through 1C: wherein the photorefractive composite exhibits photoconductivity and optical nonlinearity.