Journal of the Society for Information Display最新文献_第5页

Highly efficient and stable blue fluorescent OLED using dual EML system 采用双EML系统的高效稳定的蓝色荧光OLED

IF 2.2 4区工程技术

Journal of the Society for Information Display Pub Date : 2025-04-06 DOI: 10.1002/jsid.2073

Satomi Tasaki, Masato Nakamura, Yu Kudo, Keitaro Yamada, Kazuki Terada, Tsukasa Sawato, Tomonori Nakamura, Kazuki Nishimura, Emiko Kambe

引用次数: 0

Luminance compensation for stretchable displays using deep visual feature-optimized Gaussian-weighted kernels 基于深度视觉特征优化的高斯加权核的可拉伸显示器亮度补偿

IF 2.2 4区工程技术

Journal of the Society for Information Display Pub Date : 2025-04-06 DOI: 10.1002/jsid.2052

Ye-In Park, Suk-Ju Kang

{"title":"Luminance compensation for stretchable displays using deep visual feature-optimized Gaussian-weighted kernels","authors":"Ye-In Park, Suk-Ju Kang","doi":"10.1002/jsid.2052","DOIUrl":"10.1002/jsid.2052","url":null,"abstract":"Stretchable displays, characterized by their flexibility and deformability, are gaining attention as next-generation display technologies. While various studies have been conducted on hardware aspects of stretchable displays, the software aspects have received comparatively less focus. When displays are stretched, empty pixels inevitably lead to a decrease in overall luminance, which significantly degrades visual quality and user experience. To address this issue from a software aspect, we propose a novel luminance compensation method that leverages deep learning through a Learned Perceptual Image Patch Similarity (LPIPS)-based pre-optimization technique combined with Gaussian-weighted kernels. The proposed method applies relatively higher values to areas near empty pixels, where luminance loss is most significant while preserving the original luminance in unaffected areas. This design minimizes color distortion and enhances brightness effectively. Specifically, the optimal brightness increase rates (BIRs) are pre-optimized using an LPIPS-based loss function, tailored to various stretching scenarios, such as stretching types, directions, and rates. Based on the optimized BIRs, Gaussian-weighted kernels are generated for efficient luminance adjustment. Our method flexibly supports diverse stretching conditions, including linear/non-linear stretching and uni-directional/bi-directional stretching, with stretching ratios ranging from 10% to 30%. Through simulations, we qualitatively and quantitatively compared the proposed method with existing approaches, demonstrating superior performance across a wide range of scenarios.","PeriodicalId":49979,"journal":{"name":"Journal of the Society for Information Display","volume":"33 5","pages":"452-463"},"PeriodicalIF":2.2,"publicationDate":"2025-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144598359","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Wearable user-centric phototherapeutics with bifacial OLEDs for at-home wound healing 可穿戴式以用户为中心的双面oled光疗设备，用于家庭伤口愈合

IF 2.2 4区工程技术

Journal of the Society for Information Display Pub Date : 2025-04-06 DOI: 10.1002/jsid.2076

Hyejeong Yeon, Hye-Ryung Choi, Sohyeon Yu, Yongjin Park, Hagseon Kim, Daekyung Sung, Chang-Hun Huh, Kyung Cheol Choi

{"title":"Wearable user-centric phototherapeutics with bifacial OLEDs for at-home wound healing","authors":"Hyejeong Yeon, Hye-Ryung Choi, Sohyeon Yu, Yongjin Park, Hagseon Kim, Daekyung Sung, Chang-Hun Huh, Kyung Cheol Choi","doi":"10.1002/jsid.2076","DOIUrl":"10.1002/jsid.2076","url":null,"abstract":"Phototherapy is a safe, non-invasive, and effective treatment that can be widely applied to treat various diseases. Conventional LED and laser-based phototherapy have two major drawbacks: (1) they have low uniformity and stability due to local heat and light concentration, and (2) they have spatiotemporal constraints. On the other hand, OLEDs can be treated uniformly with a thin and light surface light source, and it is suitable for wearable and skin-attached platforms due to its excellent expandability and process compatibility. With such characteristics as OLEDs, it is possible to provide users with a comfortable and convenient treatment environment. To overcome the limitation that the existing phototherapy platform simply served as a light source for light therapy, this study proposed a user-friendly OLED phototherapy platform using bifacial OLEDs (Bi-OLEDs) which can be vertical-stacked and parallel-connected. The vertical-stacking process demonstrated a facile fabrication process, and the parallel connection structure ensured individual driving capability, flexibility, driving reliability, and thermal stability. Notably, the red light emitted from OLEDs was observed to enhance wound healing in in vivo tests, achieving 85% wound closure. Therefore, OLED-based phototherapy can be utilized as an innovative platform with both effective light therapy and user interaction.","PeriodicalId":49979,"journal":{"name":"Journal of the Society for Information Display","volume":"33 5","pages":"513-523"},"PeriodicalIF":2.2,"publicationDate":"2025-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144598362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Depth-enhanced light field camera system based on focus-tunable geometric phase lens module 基于可调焦几何相位透镜模块的深度增强光场相机系统

IF 2.2 4区工程技术

Journal of the Society for Information Display Pub Date : 2025-04-05 DOI: 10.1002/jsid.2070

Hyeon-Su Jeong, Munkh-Uchral Erdenebat, Jin-Hyeok Seo, Min-Seok Kim, Young-Min Cho, Jae-Won Lee, Tae-Hyun Lee, Kyung-Il Joo, Hak-Rin Kim

引用次数: 0

New coating polarizer with high polarization performance and dimensional stability 具有高偏振性能和尺寸稳定性的新型镀膜偏光片

IF 2.2 4区工程技术

Journal of the Society for Information Display Pub Date : 2025-04-04 DOI: 10.1002/jsid.2049

Toshikazu Sumi, Hiroyuki Okusa, Rikako Nagai, Yasukazu Kuwayama, Naoki Koito, Yoshiaki Narukawa, Yuta Takahashi, Katsuyuki Takada, Yoji Ito

引用次数: 0

0.26-inch LED microdisplay using pixel level Cu–Cu connections of transferred GaN/Si and CMOS backplane wafer 0.26英寸LED微显示屏，采用传输GaN/Si和CMOS背板晶圆的像素级Cu-Cu连接

IF 2.2 4区工程技术

Journal of the Society for Information Display Pub Date : 2025-04-03 DOI: 10.1002/jsid.2071

Haruki Tsuchiya, Toshihiro Miura, Ryosuke Matsumoto, Mikio Takiguchi, Toru Sasaki, Michihiro Kanno, Koichi Nagasawa, Hayato Iwamoto

{"title":"0.26-inch LED microdisplay using pixel level Cu–Cu connections of transferred GaN/Si and CMOS backplane wafer","authors":"Haruki Tsuchiya, Toshihiro Miura, Ryosuke Matsumoto, Mikio Takiguchi, Toru Sasaki, Michihiro Kanno, Koichi Nagasawa, Hayato Iwamoto","doi":"10.1002/jsid.2071","DOIUrl":"10.1002/jsid.2071","url":null,"abstract":"We have developed an integration process for LED microdisplays toward augmented reality (AR) applications and present the first demonstration of a blue mono-color active-matrix LED microdisplay fabricated with this process methodology. One of the primary manufacturing challenges in realizing LED microdisplays is to develop a process that provides pixel-level heterogeneous connections between III-V compound LEDs and Si CMOS circuits at a fine pixel pitch. In this work, a die-to-silicon process is employed, in which GaN on Si chips are reconstituted on a larger-diameter support Si wafer (referred to as GaN/Si wafer), allowing the use of Si CMOS wafer processes, including novel Cu-Cu hybridization. After the Cu-Cu hybridization process to bond a die-to-silicon transferred GaN/Si wafer and a Si CMOS backplane wafer, LED mesas and on-chip lenses (OCLs) are fabricated. We achieved high yields of pixel-level connections at 3.8-μm and 4.5-μm pitches through the Cu-Cu hybridization. Finely tapered 1.2-μm LED mesas with OCLs exhibited a 4.2-fold enhancement in light extraction efficiency (LEE) compared with a Lambertian emitter within the emission angle of ±20°. Also, we introduce the key features and results of the prototyped 0.26-in., 5,644-ppi LED microdisplay.","PeriodicalId":49979,"journal":{"name":"Journal of the Society for Information Display","volume":"33 5","pages":"425-432"},"PeriodicalIF":2.2,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144598492","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Normally-off top-gate self-aligned field-effect transistor using crystal InOx with field-effect mobility of around 100 cm2/vs 正常关闭顶门自对准场效应晶体管使用水晶InOx与场效应迁移率约100 cm2/vs

IF 2.2 4区工程技术

Journal of the Society for Information Display Pub Date : 2025-04-03 DOI: 10.1002/jsid.2059

Yukinori Shima, Norihiko Seo, Masami Jincho, Chieko Misawa, Marie Matsumoto, Masahiro Watanabe, Kayo Kumakura, Yasutaka Nakazawa, Junichi Koezuka, Motoharu Saito, Koji Kusunoki, Satoshi Seo, Shunpei Yamazaki

{"title":"Normally-off top-gate self-aligned field-effect transistor using crystal InOx with field-effect mobility of around 100 cm2/vs","authors":"Yukinori Shima, Norihiko Seo, Masami Jincho, Chieko Misawa, Marie Matsumoto, Masahiro Watanabe, Kayo Kumakura, Yasutaka Nakazawa, Junichi Koezuka, Motoharu Saito, Koji Kusunoki, Satoshi Seo, Shunpei Yamazaki","doi":"10.1002/jsid.2059","DOIUrl":"10.1002/jsid.2059","url":null,"abstract":"In this study, we designed and fabricated a crystal InOx (crystal IO)-based field-effect transistor (FET) on a 3.5th generation glass (600 mm × 720 mm) substrate line. The FET exhibits high field-effect mobility exceeding 90 cm2/Vs, an on-state current higher than that of a low-temperature polysilicon (LTPS)-based FET, normally-off characteristics, an extremely low off-state current, a high breakdown voltage, and high reliability. The synthesized crystal IO is less susceptible to grain boundary scattering and exhibits a small variation in grain size on the substrate plane. The crystal IO-based FET exhibits a small variation in electrical characteristics. Combining our organic light-emitting diode (OLED) patterning technology with a display backplane based on crystal IO, we obtained an 8.3-in. 8K4K OLED display with high luminance and low power consumption. These results demonstrate that crystal IO can replace LTPS and low-temperature polycrystalline oxide, which have been mainly used in the backplanes of small- and medium-sized displays, and that backplanes of displays of all sizes can be completely oxide based.","PeriodicalId":49979,"journal":{"name":"Journal of the Society for Information Display","volume":"33 5","pages":"411-424"},"PeriodicalIF":2.2,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jsid.2059","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144598493","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Fast-switchable polarization-dependent bifocal lenses for AR displays 用于AR显示的可快速切换偏振依赖双焦点透镜

IF 2.2 4区工程技术

Journal of the Society for Information Display Pub Date : 2025-04-01 DOI: 10.1002/jsid.2061

Ming Cheng, Vigneshwaran Swaminathan, Yuxiao Zhang, Chris Mathew, Valerii Vashchenko, Yan Jun Liu, Abhishek K. Srivastava

{"title":"Fast-switchable polarization-dependent bifocal lenses for AR displays","authors":"Ming Cheng, Vigneshwaran Swaminathan, Yuxiao Zhang, Chris Mathew, Valerii Vashchenko, Yan Jun Liu, Abhishek K. Srivastava","doi":"10.1002/jsid.2061","DOIUrl":"10.1002/jsid.2061","url":null,"abstract":"Polarization-dependent bifocal Pancharatnam-Berry phase lenses are proposed to integrate designable bifocal functionality into a single compact device. These lenses are fabricated using photoalignment techniques with a patterned light field generated by a spatial light modulator and are designed in both longitudinal and transverse configurations to address critical challenges in AR displays. The longitudinal configuration resolves the vergence-accommodation conflict by enabling multi-plane displays, while the transverse configuration extends the field-of-view (FOV) through dual horizontal FOVs. A key innovation in this system is the incorporation of an electrically suppressed helix ferroelectric liquid crystal (ESHFLC) polarization rotator, which enables rapid switching between dual depths or FOVs with a response time of 35 μs. The performance of the designed flat lenses and ESHFLC polarization rotator is thoroughly characterized. As a proof of concept, the integrated system is successfully demonstrated for AR display applications, showcasing dual-depth imaging and extended FOV capabilities. This compact and efficient solution addresses key challenges in AR displays, enabling true 3D multi-plane displays and extending the FOV for next-generation AR systems.","PeriodicalId":49979,"journal":{"name":"Journal of the Society for Information Display","volume":"33 5","pages":"398-410"},"PeriodicalIF":2.2,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jsid.2061","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144598347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The latest milestone in WOLED technology for OLED TV and IT displays: Enhancing efficiency, color gamut, and longevity OLED电视和IT显示器的WOLED技术的最新里程碑：提高效率，色域和寿命

IF 2.2 4区工程技术

Journal of the Society for Information Display Pub Date : 2025-03-31 DOI: 10.1002/jsid.2066

Jung-Keun Kim, Byung-Soo Kim, Ji-Hyang Jang, Hong-Seok Choi, Byung-Gun Ahn, Mi-Young Han, Chang-Je Sung, Ji-Ho Baek, Sung-Joon Bae, Woo-Sup Shin, Hyeon-Woo Lee, Soo-Young Yoon

{"title":"The latest milestone in WOLED technology for OLED TV and IT displays: Enhancing efficiency, color gamut, and longevity","authors":"Jung-Keun Kim, Byung-Soo Kim, Ji-Hyang Jang, Hong-Seok Choi, Byung-Gun Ahn, Mi-Young Han, Chang-Je Sung, Ji-Ho Baek, Sung-Joon Bae, Woo-Sup Shin, Hyeon-Woo Lee, Soo-Young Yoon","doi":"10.1002/jsid.2066","DOIUrl":"10.1002/jsid.2066","url":null,"abstract":"This study introduces recent innovative progress in white organic light emitting diode (WOLED) technology for premium OLED TV and IT displays. By fabricating a four-stack tandem device consisting of red, first blue, green, and second blue devices in sequence from the anode, we could achieve a current efficiency of the WOLED up to 134 cd/A at 10 mA/cm2, resulting in enhanced efficiency for red, green, and blue subpixels after transmitting color filters. The new OLED TV implementing the four-stack WOLED technology reached luminance levels of 2,900, 1,000, and 400 nit at the average picture level (APL) of 3%, 25%, and 100%, respectively, and a flash peak luminance of 4,000 nit. Since the four-stack device uses red, green, and blue dopants of saturated color, eliminating yellow green (YG) dopant used for our previous WOLEDs, its color gamut in the Broadcasting service Television (BT)-2020 standard was widen up to 83%. We will explain how to enhance the efficiency and the lifetime in terms of device structure and materials.","PeriodicalId":49979,"journal":{"name":"Journal of the Society for Information Display","volume":"33 5","pages":"390-397"},"PeriodicalIF":2.2,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144598739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

ADS display mode gaming TV compatible with G-sync ADS显示模式游戏电视兼容G-sync

IF 2.2 4区工程技术

Journal of the Society for Information Display Pub Date : 2025-03-31 DOI: 10.1002/jsid.2051

Dongchuan Chen, Tao Yang, Lingdan Bo, Yanping Liao, Seungmin Lee, Zhangtao Wang, Xibin Shao, Yingmeng Miao, Yingying Qu, Pengfei Hu

引用次数: 0