WO2013152629A1 - 近红外光吸收玻璃、元件及滤光器 - Google Patents
近红外光吸收玻璃、元件及滤光器 Download PDFInfo
- Publication number
- WO2013152629A1 WO2013152629A1 PCT/CN2013/070110 CN2013070110W WO2013152629A1 WO 2013152629 A1 WO2013152629 A1 WO 2013152629A1 CN 2013070110 W CN2013070110 W CN 2013070110W WO 2013152629 A1 WO2013152629 A1 WO 2013152629A1
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- WO
- WIPO (PCT)
- Prior art keywords
- glass
- infrared light
- light absorbing
- total amount
- content
- Prior art date
Links
- 239000011521 glass Substances 0.000 title claims abstract description 132
- 230000031700 light absorption Effects 0.000 title abstract description 9
- 238000002834 transmittance Methods 0.000 claims abstract description 59
- 229910052802 copper Inorganic materials 0.000 claims description 22
- 229910052725 zinc Inorganic materials 0.000 claims description 20
- 150000001450 anions Chemical class 0.000 claims description 8
- 150000001768 cations Chemical class 0.000 claims description 4
- 239000000126 substance Substances 0.000 abstract description 15
- 150000002500 ions Chemical class 0.000 abstract description 5
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 abstract description 4
- 239000010949 copper Substances 0.000 description 28
- 230000003595 spectral effect Effects 0.000 description 21
- 238000010521 absorption reaction Methods 0.000 description 11
- 238000004031 devitrification Methods 0.000 description 10
- 230000035945 sensitivity Effects 0.000 description 8
- 238000002844 melting Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 239000005303 fluorophosphate glass Substances 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 238000002386 leaching Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000005304 optical glass Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000001444 catalytic combustion detection Methods 0.000 description 2
- 229910001431 copper ion Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000007496 glass forming Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000005365 phosphate glass Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 230000016571 aggressive behavior Effects 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000006103 coloring component Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000005341 metaphosphate group Chemical group 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- RHFUXPCCELGMFC-UHFFFAOYSA-N n-(6-cyano-3-hydroxy-2,2-dimethyl-3,4-dihydrochromen-4-yl)-n-phenylmethoxyacetamide Chemical compound OC1C(C)(C)OC2=CC=C(C#N)C=C2C1N(C(=O)C)OCC1=CC=CC=C1 RHFUXPCCELGMFC-UHFFFAOYSA-N 0.000 description 1
- -1 oxide Chemical compound 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C4/00—Compositions for glass with special properties
- C03C4/08—Compositions for glass with special properties for glass selectively absorbing radiation of specified wave lengths
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C4/00—Compositions for glass with special properties
- C03C4/08—Compositions for glass with special properties for glass selectively absorbing radiation of specified wave lengths
- C03C4/082—Compositions for glass with special properties for glass selectively absorbing radiation of specified wave lengths for infrared absorbing glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/12—Silica-free oxide glass compositions
- C03C3/23—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron
- C03C3/247—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron containing fluorine and phosphorus
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
- G02B5/226—Glass filters
Definitions
- the present invention relates to a near-infrared light absorbing glass, a near-infrared light absorbing element, and a near-infrared light absorbing filter. Specifically, the present invention relates to a near-infrared light absorbing glass excellent in chemical stability for a near-infrared light absorbing filter suitable for color sensitivity correction, and a near-infrared light absorbing element and a filter composed of the glass.
- the spectral sensitivity of semiconductor imaging elements such as CCDs and CMOSs used in digital cameras and VTR cameras has spread to the near-infrared field around l lOOnm from the field of view, and can be approximated by using filters that absorb light in the near-infrared field.
- the degree of human vision Therefore, the demand for color sensitivity correction filters is increasing, which places higher demands on the near-infrared light absorbing functional glass used for manufacturing such filters, that is, it is required to be supplied in large quantities at low prices.
- Such glass, and glass has better stability.
- the near-infrared absorbing glass is a near-infrared light absorbing glass by adding CiT to phosphate glass or fluorophosphate glass.
- phosphate glass has poor chemical stability. If the glass is exposed to high temperature and high humidity for a long time, cracks and white turbidity may occur on the surface of the glass.
- Further prior art solution is to eliminate the glass Cu 2+ is reduced to Cu +, to solve the technical problems transmittance near a wavelength of 400nm reduced glass by introduction of Sb 3+, Sb 2 0 3 but introducing a certain impact on the environment .
- the miniaturization and weight reduction of photovoltaic terminal products have promoted the thinning of near-infrared light absorbing filter glass.
- the near-infrared light absorption is also small, and the desired spectral characteristics cannot be obtained. Therefore, the content of the coloring component CiT is often increased to compensate for the decrease in absorption due to thinning, and the near-infrared absorption filter is used.
- the concentration of CiT in the light glass is high, the valence of CiT changes, and the transmittance near 400 nm decreases to become blue-green.
- the amount of CiT is increased, the devitrification resistance of the glass is deteriorated, and crystals in the glass are easily precipitated.
- the technical problem to be solved by the present invention is to provide an environmentally friendly, thin glass having a thin A near-infrared light absorbing glass having excellent chemical stability, excellent transmission characteristics in a visible region, and a near-infrared light absorbing member and a filter composed of the glass.
- the technical solution adopted by the present invention to solve the above technical problem is: near-infrared light absorbing glass, the near-infrared light absorbing glass has a thickness of 0.4 mm, and the transmittance at a wavelength of 400 nm shows greater than 80%, and the transmittance at a wavelength of 500 nm.
- the near-infrared light absorbing glass contains P 5+ , Al 3+ , R ⁇ 2 Zn 2+ and Cu 2+ represented by cations, and the R + represents Li + , Na + and K +
- the T 2+ represents a total of Mg 2+ , Ca 2+ , Sr 2+ and Ba 2+
- the CiT content is greater than 4% but less than or equal to 12%
- the Zn 2+ content is 1-15. %, which also contains 0 2 - and F - expressed by anions.
- the transmittance at a wavelength of 400 nm is more than 88%, and the transmittance at a wavelength of 500 nm is more than 90%.
- R + content is 1-35%
- T 2+ content is 30-55%
- more than 4% but Less than or equal to 12% of Cu 2+ ; 1-15% of Zn 2+ ; 0 2 — and F— total amount is 96% or more
- the R + represents a total amount of Li + , Na + , and K +
- the ⁇ 2+ represents a total of Mg 2+ , Ca 2+ , Sr 2+ , and Ba 2+ .
- the thickness of the glass is between 0.02 nm and the thickness of the glass.
- the near-infrared light absorbing element is composed of the above-described near-infrared light absorbing glass.
- the near-infrared light absorbing filter is composed of the above-described near-infrared light absorbing glass.
- the invention has the beneficial effects that: the invention adopts a specific glass composition design, using fluorophosphate glass as the matrix glass, introducing an appropriate amount of Zn 2+ to make the glass chemical stability excellent, and the glass water resistance stability ⁇ (powder method) reaches level 1 , acid resistance stability (powder method) is better or better than grade 4; at the same time, it is preferable not to introduce Sr 2+ in the glass composition, increase the Ba 2+ content to increase the alkalinity of the glass, and facilitate the existence of CiT, so that the glass of the invention is near The infrared spectrum has excellent absorption performance.
- the transmittance at a wavelength of 400 nm is more than 80%
- the transmittance at a wavelength of 500 nm is more than 83%
- the spectrum is transmitted in a wavelength range of 500 to 700 nm.
- the corresponding wavelength (ie, ⁇ 5 .corresponding wavelength value) in the range of 50% is in the range of 605-630 nm.
- Fig. 1 is a graph showing the spectral transmittance of a near-infrared light absorbing glass of Example 1 of the present invention. detailed description
- the near-infrared light absorbing glass of the invention is based on fluorophosphoric acid glass, and is added with near infrared Obtained by the absorption of CiT.
- the content of the cationic component is expressed as the percentage by weight of the cation to the total weight of all the cations
- the content of the anionic component is expressed as the percentage by weight of the anion to the total weight of all the anions.
- P 5+ is an essential component of fluorophosphate glass and is an important component for generating absorption in the infrared region of CiT.
- the content is less than 15%, the color correction function deteriorates and is green; when it exceeds 40%, the weather resistance and the devitrification resistance deteriorate, so the content of P 5+ is limited to 15-40%, preferably 20-35%. More preferably, it is 25-30%.
- Al 3+ is a component that improves the devitrification resistance, weather resistance, thermal shock resistance, mechanical strength and chemical resistance of fluorophosphate glass.
- the Al 3+ content is less than 5%, the above effects are not obtained; when the Al 3+ content exceeds 20%, the near-infrared absorption characteristics are lowered. Therefore, the Al 3+ content is 5-20%, more preferably 10-15%.
- R + is a component that increases the meltability, glass-forming, and transmittance of the visible light region of the glass.
- R + represents the total amount of Li + , Na + and K + , and if the content of R + exceeds 35%, the chemical durability of the glass is remarkably lowered. Therefore, the R + total content ranges from 1 to 35%, preferably from 3 to 30%, more preferably from 5 to 15%.
- the introduction of Li + has a better effect on the chemical stability of the glass.
- the Li + content is 1-15%, preferably 2-10%, more preferably 2-6%.
- the present invention it is also preferable to add a small amount of Na + and Li + to be melted, which can effectively improve the weather resistance of the glass, and at the same time, can significantly increase the alkalinity of the glass liquid, and the glass has excellent near-infrared light absorption performance.
- the Na + content is 0-15%, preferably 1-12%, more preferably 2-10%.
- the K + content is 0-5%, and if the content exceeds 5%, the durability of the glass is rather lowered.
- ⁇ 2+ is a component that effectively improves the glass-forming, devitrification resistance, and processability of glass, where ⁇ 2+ represents Mg 2+ , Ca 2+ , Sr 2+ , and Ba 2+ .
- ⁇ 2+ represents Mg 2+ , Ca 2+ , Sr 2+ , and Ba 2+ .
- the introduced copper ions are not Cu + and must be Cu 2+ .
- CiT becomes Cu + , and as a result, the transmittance near a wavelength of 400 nm is lowered.
- T 2+ in the present invention When the total content of T 2+ in the present invention is less than 30%, the devitrification resistance tends to be deteriorated, and if it exceeds 55%, the devitrification resistance tends to be deteriorated. Therefore, ⁇ 2+ total The amount is 30-55%, preferably the total content is 40-50%, and more preferably the total content is 42-48%.
- Mg 2+ and Ca 2+ have an effect of improving the resistance to devitrification, chemical stability, and processability of the glass.
- the Mg 2+ content is from 0.1 to 10%, more preferably from 2 to 8%, further preferably from 3 to 7%.
- the Ca 2+ content is preferably from 1 to 20%, more preferably from 3 to 15%, further more preferably from 5 to 11%.
- Ba 2+ and Sr 2+ have an effect of improving glassiness, glass resistance to devitrification, and melting.
- the Ba 2+ content is preferably greater than 30% but less than 45%, more preferably from 31 to 42%, and most preferably from 31 to 40%.
- the Sr 2+ content is preferably 0-15%, more preferably 0-10%, and most preferably 0-5%.
- the present invention mainly introduces a high content of Ba 2+ into the glass composition, preferably does not introduce Sr 2+ , and achieves the purpose of effectively improving the chemical stability of the glass, and by adjusting the total amount of Ba 2+ and Na + , It can effectively increase the alkalinity of glass to improve its near-infrared light absorption performance.
- the total amount of Ba 2+ and Na + is preferably more than 30% but less than 60%, further preferably 32-50%, more preferably 33-46%.
- the invention can effectively increase the alkalinity of the glass liquid by introducing Zn 2+ , and the alkaline environment of the glass liquid is favorable for the copper ions to exist in the form of CiT, so that more Cu 2+ can be introduced into the matrix glass to increase the glass.
- Si 4+ can effectively improve the stability of glass melting. However, if the Si 4+ content is too high, the meltability of the glass is lowered, so that the melting temperature must be raised, and the Cu ions are reduced to bring about a risk of reducing the color sensitivity correction function. 1-1% ⁇ Thus, the Si 4+ content range of 0-2%, preferably 0-1%, more preferably 0. 1-1%.
- CiT near-infrared absorption characteristics
- the CiT content is more than 4 but less than or equal to 12%, preferably from 4.10% to 10,000%, more preferably from 4.1 to 9%.
- the present invention is contained in the glass 02 as an anion component - and F-.
- 0 2 — is an important anion component in the glass of the present invention.
- the content of 0 2 - in the present invention is 50-70%, preferably 55-65%, more preferably 57-63%.
- the present invention preferably has an appropriate amount of F-content to make the glass excellent in chemical stability. Therefore, the preferred range of F- is 30-50%, further preferably 35-45%, and most preferably 37-43%.
- one or more clarifiers to be selected from the group consisting of 0 2 - and F -, Cl -, Br - and I - as an anion component. If the total content of Cl—, Br— and I— is less than 0.001%, it is difficult to sufficiently obtain the bubbles generated during the melting of the glass. If the total content exceeds 1%, CiT is reduced to Cu + .
- the transmittance near the wavelength of 400 nm deteriorates. 009-0. 1%, 005-0. 5%, More preferably, the content is 0. 009-0%, more preferably 0. 009-0. The most preferred content is 0. 01-0. 07%
- Cl-, Br- and I- the most advantageous effect is Cl-. Therefore, in Cl-, Br- and I-, it is desirable to add only Cl-. 01%.
- the most preferred content is 0. 00-0. 07%.
- the most preferred content is 0. 01-0. 07%.
- the near-infrared light absorbing glass of the present invention is a fluorophosphate glass, and most of the anion components are 0 2 - and F-. Gp, as the total content of 0 2 - and F -, 95% or more can be targeted. In order to achieve superior weather resistance, high transmittance in the vicinity of a wavelength of 400 nm, and excellent devitrification resistance, the total content of 0 2 - and F- is 96% or more, and more preferably The content is 97% or more, and the optimum is 99% or more.
- the transmittance of the glass varies depending on the thickness. If the thickness and transmittance of the glass in the light transmission direction are known, the transmittance of a predetermined thickness can be obtained by calculation.
- the spectral transmittance in the wavelength range of 400 nm to 1200 nm has the characteristics shown below.
- the spectral transmittance at a wavelength of 400 nm is greater than or equal to 80%, preferably greater than or equal to 85%, more preferably greater than or equal to 88%.
- the spectral transmittance at a wavelength of 500 nm is greater than or equal to 83%, preferably greater than or equal to 88%, more preferably greater than or equal to 90%.
- the spectral transmittance at a wavelength of 600 nm is greater than or equal to 50%, preferably greater than or equal to 55%, more preferably greater than or equal to 60%.
- the spectral transmittance at a wavelength of 700 nm is less than or equal to 15%, preferably less than or equal to 10%, more preferably less than or equal to 8%.
- the spectral transmittance at a wavelength of 800 nm is less than or equal to 8%, preferably less than or equal to 5%, more preferably less than or equal to 3%, still more preferably less than or equal to 2%.
- the spectral transmittance at a wavelength of 900 nm is less than or equal to 10%, preferably less than or equal to 5%, more preferably less than or equal to 2.8%.
- the spectral transmittance at a wavelength of lOOOnm is less than or equal to 10%, preferably less than or equal to 7%, more preferably less than or equal to 5.8%.
- the spectral transmittance at a wavelength of l lOOnm is less than or equal to 15%, preferably less than or equal to 13%, more preferably less than or equal to 12.5%.
- the spectral transmittance at a wavelength of 1200 nm is less than or equal to 28%, preferably less than or equal to 26%, more preferably less than or equal to 23.5%.
- the corresponding wavelength when the transmittance is 50% ranges from 605 to 630 nm, preferably ranges from 610 to 625 nm, It is preferably 612-620 nm.
- the transmittance at a wavelength of 400 nm at the thickness is 80% or more.
- the transmittance of the present invention is 0.44 mm.
- the transmittance of the glass is a transmittance measured by a spectrophotometer having a wavelength of 400 to 1200 nm. Transmittance measured values in the manner described: Assuming that the glass sample has two planes that are parallel to each other and optically polished, light is incident perpendicularly from one parallel plane, exiting from another parallel plane, and the intensity of the exiting light is divided by the incident The intensity of light is the transmittance, which is also called the external transmittance. According to the above characteristics of the glass of the present invention, color correction of a semiconductor imaging element such as CCD or CMOS can be excellently achieved.
- the chemical stability characteristics of the glass are as follows: water resistance stability 0 Marie can reach level 1; acid resistance stability reaches level 4, preferably up to level 3, more preferably up to level 2.
- the optical glass is stable in water resistance D w is divided into 6 categories.
- D A is classified into 6 categories as shown in the following table.
- the near-infrared light absorbing element according to the present invention is composed of the near-infrared light absorbing glass, and may be a thin plate-shaped glass element or a lens used in a near-infrared light absorbing filter, and is suitable for a solid-state image sensor. For color correction, it has good permeability and chemical stability.
- the thickness of the near-infrared light absorbing element (the distance between the incident surface and the exit surface of the transmitted light) is determined by the transmittance characteristic of the element, preferably between about 0. 1-0. 8mm, more preferably at 0. 3_0. Determined between 6mm, and preferably ⁇ 5 . Between 605 and 630 nm, 615 nm is particularly preferred. In order to obtain such a near-infrared light absorbing element, the composition of the near-infrared light absorbing glass is adjusted to be processed into an element having the above-described spectral characteristic thickness.
- the near-infrared filter according to the present invention is composed of a near-infrared light absorbing element composed of near-infrared light absorbing glass, and has a near-infrared light absorbing element composed of optically polished near-infrared light absorbing glass on both sides.
- the component gives the color correction function of the filter and also has good chemical stability.
- the transmittance values of the glass of the present invention when the glass was at a thickness of 0.4 mm were shown in Table 2, and it was confirmed that the glass had excellent properties as a color sensitivity correction glass for a semiconductor imaging element.
- Table 3 illustrates the glass thickness of the glass of Examples 1-10, which corresponds to a transmittance of 50% at a wavelength of 615 nm, and a spectral transmittance at a wavelength of 400 nm, 600 nm, 800 nm, 1000 nm, and 1200 nm, respectively. .
- Figure 1 is a graph showing the spectral transmittance of the above Example 1.
- the transmittance at a wavelength of 400 nm is preferably 85% or more.
- the transmittance of a wavelength corresponding to 50% i.e., the 5 corresponding to the wavelength value in the range of 610-630nm.
- the transmittance in the wavelength region of the wavelength of 800 to 1000 nm is the lowest. Since this region is a near-infrared region, the sensitivity of the semiconductor image sensor in this region is not so low, and therefore it is necessary to suppress the transmittance of the color correction filter to a sufficiently low level.
- the sensitivity of the semiconductor imaging element is relatively lowered, so that the transmittance of the glass of the present invention is increased.
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- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
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Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2015504843A JP6047227B2 (ja) | 2012-04-11 | 2013-01-06 | 近赤外光吸収ガラス、近赤外光吸収素子、及び近赤外光吸収光学フィルタ |
KR1020147031345A KR101677825B1 (ko) | 2012-04-11 | 2013-01-06 | 근적외선흡수 유리, 엘리먼트 및 광 필터 |
Applications Claiming Priority (2)
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CN2012101043594A CN102923949A (zh) | 2012-04-11 | 2012-04-11 | 近红外光吸收玻璃、元件及滤光器 |
CN201210104359.4 | 2012-04-11 |
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WO2013152629A1 true WO2013152629A1 (zh) | 2013-10-17 |
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JP (1) | JP6047227B2 (zh) |
KR (1) | KR101677825B1 (zh) |
CN (2) | CN102923949A (zh) |
WO (1) | WO2013152629A1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2017014044A (ja) * | 2015-06-30 | 2017-01-19 | Hoya株式会社 | 近赤外線吸収ガラスおよびフィルター |
CN105353435A (zh) * | 2015-12-10 | 2016-02-24 | 广州市佳禾光电科技有限公司 | 一种吸收式滤光保护玻璃 |
WO2018021223A1 (ja) * | 2016-07-29 | 2018-02-01 | 旭硝子株式会社 | 近赤外線カットフィルタガラス |
CN109562981A (zh) * | 2016-07-29 | 2019-04-02 | Agc株式会社 | 光学玻璃和近红外线截止滤光片 |
US20190369312A1 (en) * | 2018-06-04 | 2019-12-05 | Hoya Candeo Optronics Corporation | Optical filter and imaging apparatus |
KR102529790B1 (ko) | 2018-09-12 | 2023-05-08 | 삼성전자주식회사 | 전자장치 및 그 제어방법 |
CN109626818B (zh) * | 2019-01-07 | 2021-12-07 | 成都光明光电股份有限公司 | 氟磷酸盐光学玻璃、光学预制件、光学元件及光学仪器 |
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JPH10101370A (ja) * | 1996-10-02 | 1998-04-21 | Toshiba Glass Co Ltd | 近赤外線カットフィルタガラスの分光特性調整方法 |
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JP2015522500A (ja) | 2015-08-06 |
CN102923949A (zh) | 2013-02-13 |
KR101677825B1 (ko) | 2016-11-18 |
KR20150005963A (ko) | 2015-01-15 |
CN107176788A (zh) | 2017-09-19 |
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