BRPI1012268A2 - dispositivo de iluminação, dispositivo de exibição e receptor de televisão. - Google Patents
dispositivo de iluminação, dispositivo de exibição e receptor de televisão.Info
- Publication number
- BRPI1012268A2 BRPI1012268A2 BRPI1012268A BRPI1012268A BRPI1012268A2 BR PI1012268 A2 BRPI1012268 A2 BR PI1012268A2 BR PI1012268 A BRPI1012268 A BR PI1012268A BR PI1012268 A BRPI1012268 A BR PI1012268A BR PI1012268 A2 BRPI1012268 A2 BR PI1012268A2
- Authority
- BR
- Brazil
- Prior art keywords
- television receiver
- display device
- lighting device
- lighting
- display
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133613—Direct backlight characterized by the sequence of light sources
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009155516 | 2009-06-30 | ||
| PCT/JP2010/058272 WO2011001749A1 (ja) | 2009-06-30 | 2010-05-17 | 照明装置、表示装置、及びテレビ受信装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BRPI1012268A2 true BRPI1012268A2 (pt) | 2016-04-05 |
Family
ID=43410832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI1012268A BRPI1012268A2 (pt) | 2009-06-30 | 2010-05-17 | dispositivo de iluminação, dispositivo de exibição e receptor de televisão. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8520150B2 (pt) |
| EP (1) | EP2434197A4 (pt) |
| JP (1) | JP5154695B2 (pt) |
| CN (1) | CN102803826A (pt) |
| BR (1) | BRPI1012268A2 (pt) |
| RU (1) | RU2491474C1 (pt) |
| WO (1) | WO2011001749A1 (pt) |
Families Citing this family (59)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2484713A (en) | 2010-10-21 | 2012-04-25 | Optovate Ltd | Illumination apparatus |
| JP6025309B2 (ja) * | 2011-06-29 | 2016-11-16 | シャープ株式会社 | 光源装置および液晶表示装置 |
| US10030852B2 (en) * | 2013-03-15 | 2018-07-24 | Kenall Manufacturing Company | Downwardly directing spatial lighting system |
| KR102174249B1 (ko) * | 2014-01-17 | 2020-11-04 | 엘지이노텍 주식회사 | 광속제어부재, 발광장치 및 표시장치 |
| KR102339539B1 (ko) * | 2015-05-08 | 2021-12-16 | 삼성전자주식회사 | 디스플레이 장치 |
| CN108351951B (zh) | 2015-10-26 | 2023-02-07 | 瑞尔D斯帕克有限责任公司 | 智能隐私系统、设备及其方法 |
| WO2017126853A1 (en) * | 2016-01-21 | 2017-07-27 | Lg Electronics Inc. | Display device |
| WO2017200950A1 (en) | 2016-05-19 | 2017-11-23 | Reald Spark, Llc | Wide angle imaging directional backlights |
| GB201705365D0 (en) | 2017-04-03 | 2017-05-17 | Optovate Ltd | Illumination apparatus |
| GB201705364D0 (en) * | 2017-04-03 | 2017-05-17 | Optovate Ltd | Illumination apparatus |
| EP3622342A4 (en) | 2017-05-08 | 2021-02-17 | RealD Spark, LLC | OPTICAL STACK FOR DIRECTIVE DISPLAY |
| EP3622347A4 (en) | 2017-05-08 | 2020-12-23 | RealD Spark, LLC | OPTICAL STACKING FOR DIRECTIONAL BACKLIGHT IMAGING |
| US10126575B1 (en) | 2017-05-08 | 2018-11-13 | Reald Spark, Llc | Optical stack for privacy display |
| US10732456B2 (en) | 2017-05-16 | 2020-08-04 | Htc Corporation | Display device with different element densities and direct-type backlight thereof |
| TWI664445B (zh) * | 2017-05-16 | 2019-07-01 | 宏達國際電子股份有限公司 | 顯示裝置及其直下式背光板 |
| TWI878209B (zh) | 2017-09-15 | 2025-04-01 | 美商瑞爾Ｄ斯帕克有限責任公司 | 顯示裝置及應用於顯示裝置的視角控制光學元件 |
| GB201718307D0 (en) | 2017-11-05 | 2017-12-20 | Optovate Ltd | Display apparatus |
| WO2019090246A1 (en) | 2017-11-06 | 2019-05-09 | Reald Spark, Llc | Privacy display apparatus |
| GB201800574D0 (en) | 2018-01-14 | 2018-02-28 | Optovate Ltd | Illumination apparatus |
| CA3089477A1 (en) | 2018-01-25 | 2019-08-01 | Reald Spark, Llc | Touch screen for privacy display |
| JP7291444B2 (ja) | 2018-01-25 | 2023-06-15 | リアルディー スパーク エルエルシー | ディスプレイデバイスおよび視野角制御光学素子 |
| GB201803767D0 (en) | 2018-03-09 | 2018-04-25 | Optovate Ltd | Illumination apparatus |
| WO2019183525A1 (en) | 2018-03-22 | 2019-09-26 | Reald Spark, Llc | Optical waveguide for directional backlight |
| GB201807747D0 (en) | 2018-05-13 | 2018-06-27 | Optovate Ltd | Colour micro-LED display apparatus |
| US10453828B1 (en) * | 2018-06-12 | 2019-10-22 | Facebook Technologies, Llc | Foveated rendering display devices and methods of making the same |
| US11145631B1 (en) | 2018-06-12 | 2021-10-12 | Facebook Technologies, Llc | Display devices and methods of making the same |
| US10921499B1 (en) | 2018-06-12 | 2021-02-16 | Facebook Technologies, Llc | Display devices and methods for processing light |
| CN112639592B (zh) | 2018-06-29 | 2024-06-21 | 瑞尔D斯帕克有限责任公司 | 用于防窥显示器的光学堆叠 |
| WO2020018552A1 (en) | 2018-07-18 | 2020-01-23 | Reald Spark, Llc | Optical stack for switchable directional display |
| US11106103B2 (en) | 2018-10-03 | 2021-08-31 | Reald Spark, Llc | Privacy display apparatus controlled in response to environment of apparatus |
| US11262584B2 (en) | 2018-10-25 | 2022-03-01 | Facebook Technologies, Llc | Color foveated display devices and methods of making the same |
| CN117311038A (zh) | 2018-11-07 | 2023-12-29 | 瑞尔D斯帕克有限责任公司 | 定向显示设备 |
| WO2020146091A1 (en) | 2019-01-07 | 2020-07-16 | Reald Spark, Llc | Optical stack for privacy display |
| US11029566B2 (en) | 2019-02-12 | 2021-06-08 | Reald Spark, Llc | Diffuser for privacy display |
| KR102905477B1 (ko) | 2019-07-02 | 2025-12-31 | 리얼디 스파크, 엘엘씨 | 지향성 디스플레이 장치 |
| WO2021026018A1 (en) | 2019-08-02 | 2021-02-11 | Reald Spark, Llc | Optical stack for privacy display |
| CN114616498A (zh) | 2019-08-23 | 2022-06-10 | 瑞尔D斯帕克有限责任公司 | 定向照明设备和防窥显示器 |
| US11016341B2 (en) | 2019-09-11 | 2021-05-25 | Reald Spark, Llc | Directional illumination apparatus and privacy display |
| US11163101B2 (en) | 2019-09-11 | 2021-11-02 | Reald Spark, Llc | Switchable illumination apparatus and privacy display |
| US11114063B2 (en) | 2019-10-02 | 2021-09-07 | Reald Spark, Llc | Privacy display apparatus |
| US11652195B2 (en) | 2019-10-03 | 2023-05-16 | Reald Spark, Llc | Illumination apparatus comprising passive optical nanostructures |
| WO2021067639A1 (en) | 2019-10-03 | 2021-04-08 | Reald Spark, Llc | Illumination apparatus comprising passive optical nanostructures |
| DE102019215869A1 (de) * | 2019-10-15 | 2021-04-15 | Continental Automotive Gmbh | Displaysystem und Verfahren zum Betreiben eines Displaysystems |
| EP4058842A4 (en) | 2019-11-13 | 2023-12-20 | RealD Spark, LLC | OFF-AXIS DISPLAY DEVICE |
| DE102019218203B4 (de) * | 2019-11-25 | 2025-12-31 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Led-hintergrundbeleuchtungssystem |
| WO2021118936A1 (en) | 2019-12-10 | 2021-06-17 | Reald Spark, Llc | Control of reflections of a display device |
| EP4078254B1 (en) | 2019-12-18 | 2024-09-25 | RealD Spark, LLC | Control of ambient light for a privacy display |
| EP4107580A4 (en) | 2020-02-20 | 2024-03-20 | RealD Spark, LLC | Illumination and display apparatus |
| CN115768642A (zh) | 2020-04-30 | 2023-03-07 | 瑞尔D斯帕克有限责任公司 | 定向显示设备 |
| EP4143043A4 (en) | 2020-04-30 | 2024-06-05 | RealD Spark, LLC | DIRECTION INDICATOR |
| EP4143631A4 (en) | 2020-04-30 | 2024-05-29 | RealD Spark, LLC | DIRECTION INDICATOR |
| TWI898003B (zh) | 2020-07-29 | 2025-09-21 | 美商瑞爾Ｄ斯帕克有限責任公司 | 光瞳照明裝置 |
| WO2022026536A1 (en) | 2020-07-29 | 2022-02-03 | Reald Spark, Llc | Backlight for switchable directional display |
| EP4359862A4 (en) | 2021-06-22 | 2025-04-30 | RealD Spark, LLC | Illumination apparatus |
| US11892717B2 (en) | 2021-09-30 | 2024-02-06 | Reald Spark, Llc | Marks for privacy display |
| EP4476588A4 (en) | 2022-02-09 | 2025-12-31 | Reald Spark Llc | PRIVACY DISPLAY MONITORED BY AN OBSERVER |
| WO2023196440A1 (en) | 2022-04-07 | 2023-10-12 | Reald Spark, Llc | Directional display apparatus |
| WO2024226506A1 (en) | 2023-04-25 | 2024-10-31 | Reald Spark, Llc | Switchable privacy display |
| WO2025030030A2 (en) | 2023-08-03 | 2025-02-06 | Reald Spark, Llc | Privacy displays |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2172974C2 (ru) * | 1999-04-20 | 2001-08-27 | ОПТИВА, Инк. | Жидкокристаллический дисплей |
| US6789910B2 (en) * | 2000-04-12 | 2004-09-14 | Semiconductor Energy Laboratory, Co., Ltd. | Illumination apparatus |
| US6663262B2 (en) * | 2001-09-10 | 2003-12-16 | 3M Innovative Properties Company | Backlighting transmissive displays |
| JP3719436B2 (ja) * | 2002-03-06 | 2005-11-24 | セイコーエプソン株式会社 | 電気光学装置、および電子機器 |
| JP2005117023A (ja) | 2003-09-19 | 2005-04-28 | Sony Corp | バックライト装置及び液晶表示装置 |
| KR20060079234A (ko) | 2003-09-19 | 2006-07-05 | 소니 가부시끼 가이샤 | 백라이트 장치 및 액정 표시 장치 |
| US7152988B2 (en) * | 2004-03-30 | 2006-12-26 | Chi Mei Optoelectronics Corp. | Direct point-light type backlight module and liquid crystal display using the same |
| KR100657284B1 (ko) * | 2004-11-03 | 2006-12-14 | 삼성전자주식회사 | 백라이트 유닛 및 이를 채용한 액정표시장치 |
| TWI281074B (en) * | 2005-06-27 | 2007-05-11 | Au Optronics Corp | A direct type backlight |
| KR20070013469A (ko) * | 2005-07-26 | 2007-01-31 | 삼성전자주식회사 | 광학렌즈 및 광학 패키지와, 이를 갖는 백라이트 어셈블리및 표시장치 |
| WO2007026454A1 (ja) * | 2005-08-30 | 2007-03-08 | Sharp Kabushiki Kaisha | 表示装置用照明装置、これを使用した表示装置、およびそれを備えたテレビ受信装置 |
| JP4741913B2 (ja) * | 2005-09-15 | 2011-08-10 | Ｎｅｃ液晶テクノロジー株式会社 | バックライトユニット |
| US8021033B2 (en) * | 2005-11-30 | 2011-09-20 | Showa Denko K.K. | Light guide member, planar light source device provided with the light guide member, and display apparatus using the planar light source device |
| JP4539556B2 (ja) * | 2005-12-28 | 2010-09-08 | パナソニック株式会社 | 光ピックアップ装置及び光ディスク装置 |
| JP4790651B2 (ja) * | 2006-03-23 | 2011-10-12 | 昭和電工株式会社 | 面光源装置およびその面光源装置を用いた表示装置 |
| DE102006050880A1 (de) | 2006-06-30 | 2008-04-17 | Osram Opto Semiconductors Gmbh | Optoelektronisches Bauteil und Beleuchtungseinrichtung |
| JP2008286955A (ja) * | 2007-05-17 | 2008-11-27 | Mitsubishi Electric Corp | 表示パネル用バックライト装置及び液晶表示装置 |
| JP2008304502A (ja) | 2007-06-05 | 2008-12-18 | Sanyo Electric Co Ltd | 液晶パネル用バックライトユニット及び該バックライトユニットを用いた画像表示装置 |
| JP5115038B2 (ja) * | 2007-06-06 | 2013-01-09 | ソニー株式会社 | 発光装置、面光源装置及び画像表示装置 |
| JP5213383B2 (ja) | 2007-08-09 | 2013-06-19 | シャープ株式会社 | 発光装置およびこれを備える照明装置 |
| CN101821546B (zh) * | 2007-08-22 | 2012-07-18 | 夏普株式会社 | 显示装置用照明装置、显示装置、电视接收装置 |
| JP5077942B2 (ja) * | 2007-11-07 | 2012-11-21 | 株式会社エンプラス | 発光装置、面光源装置、及び表示装置 |
| US20120057097A1 (en) * | 2009-06-15 | 2012-03-08 | Sharp Kabushiki Kaisha | Lighting device, display device and television receiver |
| JP5138813B2 (ja) * | 2009-06-30 | 2013-02-06 | シャープ株式会社 | 照明装置、表示装置、及びテレビ受信装置 |
| EP2466193A4 (en) * | 2009-09-28 | 2013-04-10 | Sharp Kk | LIGHTING DEVICE, DISPLAY DEVICE AND TELEVISION RECEIVER |
| JP5337883B2 (ja) * | 2009-12-08 | 2013-11-06 | シャープ株式会社 | 照明装置、表示装置、及びテレビ受信装置 |
-
2010
- 2010-05-17 BR BRPI1012268A patent/BRPI1012268A2/pt not_active IP Right Cessation
- 2010-05-17 US US13/378,710 patent/US8520150B2/en not_active Expired - Fee Related
- 2010-05-17 RU RU2011153395/07A patent/RU2491474C1/ru not_active IP Right Cessation
- 2010-05-17 EP EP10793920.9A patent/EP2434197A4/en not_active Withdrawn
- 2010-05-17 CN CN2010800268617A patent/CN102803826A/zh active Pending
- 2010-05-17 WO PCT/JP2010/058272 patent/WO2011001749A1/ja not_active Ceased
- 2010-05-17 JP JP2011520826A patent/JP5154695B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP2434197A4 (en) | 2013-04-17 |
| CN102803826A (zh) | 2012-11-28 |
| RU2491474C1 (ru) | 2013-08-27 |
| WO2011001749A1 (ja) | 2011-01-06 |
| US20120086875A1 (en) | 2012-04-12 |
| EP2434197A1 (en) | 2012-03-28 |
| US8520150B2 (en) | 2013-08-27 |
| RU2011153395A (ru) | 2013-08-10 |
| JPWO2011001749A1 (ja) | 2012-12-13 |
| JP5154695B2 (ja) | 2013-02-27 |
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| B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
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| B15K | Others concerning applications: alteration of classification |
Ipc: G02F 1/1335 (2006.01) |