Abstract: The present invention relates to a luminescent rare earth compound and dichroism fluorescent composition thereof, and more particularly, the luminescent rare earth compound is a luminescent rare earth compound excited by shortwave UV (Ultra-Violet). The luminescent rare earth compound and/or products applied with the luminescent rare earth compound according to the present invention can emit strong red and green colors by being excited at 240-330 nm range of wavelengths, while not being excited at 360-380 nm range of wavelengths, and showing no colors under visible light. Furthermore, the compound may be variably utilized to printed materials and plastic mold products because of possessing high heat resistance, high light resistance and high dispersibility of medium light.

Abstract: The present invention relates to a near-ultraviolet stimulated light-emitting compound, and more specifically relates to a fluorescent quinazolinone compound which is stimulated in the near ultraviolet region. The fluorescent quinazolinone compound according to the present invention is colorless in daylight but exhibits a high fluorescent intensity when irradiated with light in the near ultraviolet region. Also, the fluorescent quinazolinone compound can be easily used with printed and plastic molded products since the compound not only has a high degree of light fastness and thermal stability but also high dispersibility.

Abstract: The present invention relates to a luminescent rare earth compound and dichroism fluorescent composition thereof, and more particularly, the luminescent rare earth compound is a luminescent rare earth compound excited by shortwave UV (Ultra-Violet). The luminescent rare earth compound and/or products applied with the luminescent rare earth compound according to the present invention can emit strong red and green colors by being excited at 240-330 nm range of wavelengths, while not being excited at 360-380 nm range of wavelengths, and showing no colors under visible light. Furthermore, the compound may be variably utilized to printed materials and plastic mold products because of possessing high heat resistance, high light resistance and high dispersibility of medium light.

Abstract: Provided is an apparatus and method for measuring a thickness of thin film using x-ray where a thickness of a thin film of nanometer_(nm) level can be accurately measured without destructing an target sample, through determination of thickness of thin film of the target sample, by determining a calibration curve by comparing a difference of intensities of signals scattered by a special component included in a base layer of the reference sample.

Abstract: The present invention relates to a near-ultraviolet stimulated light-emitting compound, and more specifically relates to a fluorescent quinazolinone compound which is stimulated in the near ultraviolet region. The fluorescent quinazolinone compound according to the present invention is colourless in daylight but exhibits a high fluorescent intensity when irradiated with light in the near ultraviolet region. Also, the fluorescent quinazolinone compound can be easily used with printed and plastic moulded products since the compound not only has a high degree of light fastness and thermal stability but also high dispersibility.

Abstract: Disclosed herein are a ?-polyoxo crosslinked phthalocyanine compound, a preparing method thereof, and a near infrared ray absorbing and reflecting composition using the same, and more particularly, a ?-polyoxo crosslinked phthalocyanine compound having high absorption at a wavelength of 800 to 950 nm and high reflectance at a wavelength of 1200 nm or more, a preparing method of a ?-polyoxy crosslinked phthalocyanine compound simultaneously having near infrared ray absorption and reflection properties as described above, and a near infrared ray absorbing and reflecting composition using the ?-polyoxo crosslinked phthalocyanine compound. According to the exemplary embodiment of the present invention, there is provided a ?-polyoxo crosslinked molybdenum phthalocyanine compound capable of absorbing and reflecting near infrared ray at the same time.

Abstract: Disclosed herein are a ?-polyoxo crosslinked phthalocyanine compound, a preparing method thereof; and a near infrared ray absorbing and reflecting composition using the same, and more particularly, a ?-polyoxo crosslinked phthalocyanine compound having high absorption at a wavelength of 800 to 950 nm and high reflectance at a wavelength of 1200 nm or more, a preparing method of a ?-polyoxy crosslinked phthalocyanine compound simultaneously having near infrared ray absorption and reflection properties as described above, and a near infrared ray absorbing and reflecting composition using the ?-polyoxo crosslinked phthalocyanine compound. According to the exemplary embodiment of the present invention, there is provided a ?-polyoxo crosslinked molybdenum phthalocyanine compound capable of absorbing and reflecting near infrared ray at the same time.

Abstract: Provided is an apparatus and method for measuring for measuring a thickness of thin film using x-ray where a thickness of a thin film of nanometer(nm)-level can be accurately measured without destructing an target sample, through determination of thickness of thin film of the target sample, by determining a calibration curve by comparing a difference of intensities of signals scattered by a special component included in a base layer of the reference sample having a base layer and a base layer formed with the thin film layer with a thickness of the thin film layer, and determining the thickness of thin film layer of the target sample by comparing a difference of intensities of signals scattered by the special component included in the base layer of the target sample having the base layer formed with the thin film layer with the reference sample having the base layer with the calibration curve.

Abstract: Disclosed is a silver thin film spread apparatus by means of deposition of nano metallic silver, the apparatus comprising: a treatment booth formed at one side with an inlet for inputting a substrate, and formed at the other side with an outlet for discharging the substrate; a transfer device formed at a lower side of the treatment booth for transferring the substrate; a spray device formed at an upper side of the treatment booth for spraying silver solution on a surface of the substrate; a moving device for linearly reciprocating the spray device; and a rotation device formed at the lower side of the treatment booth for rotating the substrate, whereby reflectivity can be enhanced by increasing film compactness and coating uniformity of thin film, where the substrate is rotated at a predetermined constant speed to allow the spray guns to linearly reciprocate and to allow the nano silver thin film to be uniformly spread and deposited on the surface of the substrate at a predetermined constant frequency.

Abstract: The present invention relates to an electroless deposition of metallic silver on various plates. More particularly, in the present invention, by spraying a silver solution including ionic silver to be reduced into metallic silver and a reducing solution a reducing agent for reducing the silver solution at the same time to a predetermined region above a substrate, metallic silver particles having a diameter less than 30 ? are formed, and a silver layer is formed by a deposition of the nano-sized metallic silver. Since the silver layer includes nano-sized silver particles having a diameter less than 3 nm, a reflector having a high density, that is, surface roughness, can be manufactured. The reflector has a considerably excellent reflectance.

Abstract: Disclosed is a silver thin film spread apparatus by means of deposition of nano metallic silver, the apparatus comprising: a treatment booth formed at one side with an inlet for inputting a substrate, and formed at the other side with an outlet for discharging the substrate; a transfer device formed at a lower side of the treatment booth for transferring the substrate; a spray device formed at an upper side of the treatment booth for spraying silver solution on a surface of the substrate; a moving device for linearly reciprocating the spray device; and a rotation device formed at the lower side of the treatment booth for rotating the substrate, whereby reflectivity can be enhanced by increasing film compactness and coating uniformity of thin film, where the substrate is rotated at a predetermined constant speed to allow the spray guns to linearly reciprocate and to allow the nano silver thin film to be uniformly spread and deposited on the surface of the substrate at a predetermined constant frequency.

Abstract: The present invention relates to phthalocyanine compound of poly cross-linking type which is represented with the below formula 1 and is useful for preventing forgery and alternation due to a rapid velocity being responded to a gamma ray of Neutron, and an ink composition comprising it. wherein, M1 and M2 are any one selected from a group consisted of a metal, a metal oxide or a metal halide respectively and may be same or different, R is a hydrogen atom, a halogen atom, a hydroxyl group, an amino group, a hydroxysulfonyl group, an aminosulfonyl group, or an alky group having a substituent group having from 1 to 20 carbon atoms, and n is an integer of 0˜3.

Abstract: The present invention relates to an electroless deposition of metallic silver on various plates. More particularly, in the present invention, by spraying a silver solution including ionic silver to be reduced into metallic silver and a reducing solution a reducing agent for reducing the silver solution at the same time to a predetermined region above a substrate, metallic silver particles having a diameter less than 30 ? are formed, and a silver layer is formed by a deposition of the nano-sized metallic silver. Since the silver layer includes nano-sized silver particles having a diameter less than 3 nm, a reflector having a high density, that is, surface roughness, can be manufactured. The reflector has a considerably excellent reflectance.

Abstract: Disclosed herein are a di-(1-vinylimidazole) metal phthalocyanine compound in which 1-vinylimidazoles as ligands are included in a phthalocyanine having a metal, a composition comprising the same and a preparation method thereof. The di-(1-vinylimidazole) metal phthalocyanine compound has an excellent UV blocking effect together with low surface resistance and is prepared but by charging a powder phase with nitrogen, not by dissolving raw materials in an organic solvent as in the prior art.

Abstract: Disclosed herein are a di-(4-vinylpyridine) metal phthalocyanine compound in which 4-vinylpyridines as ligands are included in a phthalocyanine having a metal, a composition comprising the same and a preparation method thereof. The di-(4-vinylpyridine) metal phthalocyanine compound has an excellent UV blocking effect together with low surface resistance and is prepared but by charging a powder phase with nitrogen, not by dissolving raw materials in an organic solvent as in the prior art.

Abstract: Disclosed herein are a di-(1-vinylimidazole) metal phthalocyanine compound in which 1-vinylimidazoles as ligands are included in a phthalocyanine having a metal, a composition comprising the same and a preparation method thereof. The di-(1-vinylimidazole) metal phthalocyanine compound has an excellent UV blocking effect together with low surface resistance and is prepared but by charging a powder phase with nitrogen, not by dissolving raw materials in an organic solvent as in the prior art.

Abstract: Disclosed herein are a di-(4-vinylpyridine) metal phthalocyanine compound in which 4-vinylpyridines as ligands are included in a phthalocyanine having a metal, a composition comprising the same and a preparation method thereof. The di-(4-vinylpyridine) metal phthalocyanine compound has an excellent UV blocking effect together with low surface resistance and is prepared but by charging a powder phase with nitrogen, not by dissolving raw materials in an organic solvent as in the prior art.

Abstract: The present invention relates to a phosphor having excellent emission brightness by inclusion of Si or Fe in the phosphor having a TbAG:Ce composition, and a white LED. The white photoluminescent device in accordance with the present invention comprises at least one light-emitting diode emitting light with a wavelength of 430 to 470 nm and a phosphor having a composition of TbAG:Ce, wherein the phosphor having a composition of TbAG:Ce is composed of a compositional formula of (Tb1-xCex)3(Al1-yMy)5O12, wherein x is between 0.01 and 0.4, y is between 0.0 and 0.1, and M is selected from the group consisting of Si and Fe.

Abstract: Disclosed herein is a novel crosslinked polyphthalocyanine compound. The polyphthalocyanine compound has a structure in which phthalocyanine units are crosslinked to absorb wavelengths in the near-infrared range of 750 to 900 nm, thus being suitable for use as a near-infrared absorber. Further disclosed is a near-infrared absorbing ink composition comprising the polyphthalocyanine compound as a near-infrared absorber.

Abstract: A poly cross linked phthalocyanine compound for a solar cell and ink composition comprising the same, and more particularly a poly cross linked phthalocyanine compound effective for use in a near infrared absorbent having a high absorption power in a near infrared wavelength from about 750 nm to about 1100 nm, wherein the poly cross linked phthalocyanine compound having structures according to the present inventive concept is sensitized to infrared region, although ruthenium-based compound used for existing dye-sensitized solar cells is sensitized to visible light region, such that the compound according to the present novel concept can be extended in wavelengths for use in solar cells to improve an energy conversion efficiency.