KR102788652B1 - 헤드업 디스플레이 시스템 - Google Patents
헤드업 디스플레이 시스템 Download PDFInfo
- Publication number
- KR102788652B1 KR102788652B1 KR1020237001125A KR20237001125A KR102788652B1 KR 102788652 B1 KR102788652 B1 KR 102788652B1 KR 1020237001125 A KR1020237001125 A KR 1020237001125A KR 20237001125 A KR20237001125 A KR 20237001125A KR 102788652 B1 KR102788652 B1 KR 102788652B1
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- KR
- South Korea
- Prior art keywords
- refractive index
- head
- layer
- display system
- high refractive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
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- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
- B60K35/28—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor characterised by the type of the output information, e.g. video entertainment or vehicle dynamics information; characterised by the purpose of the output information, e.g. for attracting the attention of the driver
-
- 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
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
- C03C2217/73—Anti-reflective coatings with specific characteristics
- C03C2217/734—Anti-reflective coatings with specific characteristics comprising an alternation of high and low refractive indexes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B27/0103—Head-up displays characterised by optical features comprising holographic elements
- G02B2027/0105—Holograms with particular structures
- G02B2027/0107—Holograms with particular structures with optical power
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/011—Head-up displays characterised by optical features comprising device for correcting geometrical aberrations, distortion
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0112—Head-up displays characterised by optical features comprising device for genereting colour display
- G02B2027/0116—Head-up displays characterised by optical features comprising device for genereting colour display comprising devices for correcting chromatic aberration
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
- G02B2027/012—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility comprising devices for attenuating parasitic image effects
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B2027/0192—Supplementary details
- G02B2027/0194—Supplementary details with combiner of laminated type, for optical or mechanical aspects
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B2027/0192—Supplementary details
- G02B2027/0196—Supplementary details having transparent supporting structure for display mounting, e.g. to a window or a windshield
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Abstract
Description
도 2a는 본 발명에 따른 하나의 적층 구조를 포함하는 투명 나노 필름의 구조를 나타내는 개략도이다.
도 2b는 본 발명에 따른 두개의 적층 구조를 포함하는 투명 나노 필름의 구조를 나타내는 개략도이다.
도 2c는 본 발명에 따른 세개의 적층 구조를 포함하는 투명 나노 필름의 구조를 나타내는 개략도이다.
도 3a은 본 발명에 따른 고굴절률층이 두개의 서브층을 포함하는 투명 나노 필름의 구조를 나타내는 개략도이다.
도 3b는 본 발명에 따른 저굴절률층이 두개의 서브층을 포함하는 투명 나노 필름의 구조를 나타내는 개략도이다.
도 3c은 본 발명에 따른 고굴절률층이 세개의 서브층을 포함하는 투명 나노 필름의 구조를 나타내는 개략도이다.
Claims (16)
- 헤드업 디스플레이 시스템으로서,
투사 광원과 접합 유리를 포함하고, 상기 접합 유리는 외부 유리판, 내부 유리판 및 외부 유리판과 내부 유리판 사이에 끼워진 중간 접합층을 포함하며, 상기 헤드업 디스플레이 시스템은 투명 나노 필름을 더 포함하고, 상기 투명 나노 필름은 상기 중간 접합층에서 가장 멀리 떨어진 상기 내부 유리판의 표면에 증착되며, 상기 투명 나노 필름은 적어도 하나의 적층 구조를 포함하고, 상기 적층 구조는 상기 내부 유리판의 표면으로부터 외측으로 순차적으로 증착되는 고굴절률층/저굴절률층의 적층 구조이며, 상기 고굴절률층의 굴절률은 1.8보다 크거나 같고, 상기 저굴절률층의 굴절률은 1.6보다 작거나 같으며;
상기 투사 광원은 P 편광을 생성하는 데에 사용되고, 상기 P 편광은 상기 투명 나노 필름에 입사되며, 상기 P 편광의 입사각은 55°~75°이고, 상기 투명 나노 필름이 설치된 접합 유리의 상기 P 편광에 대한 반사율은 8%보다 크거나 같고,
580nm~680nm의 파장 범위 내에서 상기 투명 나노 필름이 설치된 접합 유리의 근적색광 반사율(R1)과 420nm~470nm의 파장 범위 내에서 상기 투명 나노 필름이 설치된 접합 유리의 근청색광 반사율(R2)의 비율, R1/R2=1.0~2.0이고,
상기 투명 나노 필름에 입사된 P 편광 중 580nm~680nm의 파장 범위 내의 근적색광 비례(T1)와 420nm~470nm의 파장 범위 내의 근청색광 비례(T2)의 비율, T1/T2=0.1~0.9인 것을 특징으로 하는 헤드업 디스플레이 시스템. - 제 1 항에 있어서,
상기 중간 접착층과 상기 내부 유리판의 굴절률 차이는 0.1보다 작거나 같은 것을 특징으로 하는 헤드업 디스플레이 시스템. - 제 1 항에 있어서,
상기 중간 접착층은 쐐기형 단면 윤곽을 갖고, 상기 쐐기형 단면 윤곽의 쐐기 각도는 0.01~0.18mrad인 것을 특징으로 하는 헤드업 디스플레이 시스템. - 제 1 항에 있어서,
상기 투명 나노 필름이 설치된 접합 유리의 상기 P 편광에 대한 반사율은 15%보다 크거나 같은 것을 특징으로 하는 헤드업 디스플레이 시스템. - 제 1 항에 있어서,
상기 투명 나노 필름이 설치된 접합 유리의 상기 P 편광에 대한 반사율은 20%보다 크거나 같은 것을 특징으로 하는 헤드업 디스플레이 시스템. - 제 1 항에 있어서,
적어도 하나의 고굴절률층의 굴절률은 2.5보다 크거나 같고, 그 물리적 두께는 45~75nm인 것을 특징으로 하는 헤드업 디스플레이 시스템. - 제 1 항에 있어서,
적어도 하나의 고굴절률층은 적어도 두개의 고굴절률 서브층을 포함하고, 적어도 하나의 고굴절률 서브층의 굴절률은 2.5보다 크거나 같으며, 적어도 다른 하나의 고굴절률 서브층의 굴절률은 1.8~2.2인 것을 특징으로 하는 헤드업 디스플레이 시스템. - 제 1 항에 있어서,
적어도 하나의 고굴절률층은 두개의 제1 고굴절률 서브층 및 하나의 제2 고굴절률 서브층을 포함하고, 상기 제1 고굴절률 서브층의 굴절률은 1.8~2.2이고, 상기 제2 고굴절률 서브층의 굴절률은 2.5보다 크거나 같고, 상기 제2 고굴절률 서브층은 상기 두개의 제1 고굴절률 서브층 사이에 설치되는 것을 특징으로 하는 헤드업 디스플레이 시스템. - 제 8 항에 있어서,
상기 제2 고굴절률 서브층의 굴절률은 상기 제1 고굴절률 서브층의 굴절률보다 적어도 0.5 더 큰 것을 특징으로 하는 헤드업 디스플레이 시스템. - 제 1 항에 있어서,
상기 투명 나노 필름에 입사된 P 편광 중 580nm~680nm의 파장 범위 내의 근적색광 비례(T1)와 420nm~470nm의 파장 범위 내의 근청색광 비례(T2)의 비율, T1/T2=0.4~0.8인 것을 특징으로 하는 헤드업 디스플레이 시스템. - 제 1 항에 있어서,
상기 헤드업 디스플레이 시스템에 여광 요소를 추가하고, 상기 여광 요소는 상기 P 편광의 광학 경로에 위치하며, 상기 여광 요소의 상기 P 편광에 대한 투과율은 80%보다 크거나 같은 것을 특징으로 하는 헤드업 디스플레이 시스템. - 제 1 항에 있어서,
상기 헤드업 디스플레이 시스템은 프로젝션 제어 시스템을 더 포함하고, 상기 프로젝션 제어 시스템은 상기 투사 광원을 제어하여 P 편광을 생성하도록 하며, 상기 프로젝션 제어 시스템에 컬러 필터 처리 알고리즘이 추가되는 것을 특징으로 하는 헤드업 디스플레이 시스템. - 제 1 항에 있어서,
상기 외부 유리판은 두께가 1.8mm보다 크거나 같은 곡면 유리판이고, 상기 내부 유리판은 두께가 1.6mm보다 작거나 같은 곡면 유리판인 것을 특징으로 하는 헤드업 디스플레이 시스템. - 제 1 항에 있어서,
상기 내부 유리판의 두께는 0.7~1.2mm이고, 상기 내부 유리판은 화학적으로 강화된 나트륨-칼슘-규소 유리, 화학적으로 강화된 알루미노규산염 유리, 화학적으로 강화된 붕규산염 유리, 본체 강화된 나트륨-칼슘-규소 유리, 본체 강화된 알루미노규산염 유리 또는 본체 강화된 붕규산염 유리인 것을 특징으로 하는 헤드업 디스플레이 시스템. - 제 1 항에 있어서,
상기 근적색광 반사율(R1)와 상기 근청색광 반사율(R2)의 비율, R1/R2=1.07~1.9인 것을 특징으로 하는 헤드업 디스플레이 시스템. - 삭제
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EP4266112A1 (en) | 2023-10-25 |
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EP4266112A4 (en) | 2024-08-28 |
JP7515702B2 (ja) | 2024-07-12 |
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