Journal of Information Display最新文献_第4页

Structural characteristics of thermally advanced polymer with intrinsic microporosity for application as flexible OLED substrate 用于柔性OLED衬底的具有固有微孔隙度的热先进聚合物的结构特性

IF 3.7 3区工程技术

Journal of Information Display Pub Date : 2023-05-08 DOI: 10.1080/15980316.2023.2205037

Ye-Seul Lee, Akeem Raji, Eun-Kyung Noh, Ji-Hyeon Yoon, Baeksang Sung, Akpeko Gasonoo, Jang-Sik Lee, Min‐Hoi Kim, Y. Choi, Y. Shibasaki, Jae-Hyun Lee

{"title":"Structural characteristics of thermally advanced polymer with intrinsic microporosity for application as flexible OLED substrate","authors":"Ye-Seul Lee, Akeem Raji, Eun-Kyung Noh, Ji-Hyeon Yoon, Baeksang Sung, Akpeko Gasonoo, Jang-Sik Lee, Min‐Hoi Kim, Y. Choi, Y. Shibasaki, Jae-Hyun Lee","doi":"10.1080/15980316.2023.2205037","DOIUrl":"https://doi.org/10.1080/15980316.2023.2205037","url":null,"abstract":"The chemical and structural characteristics of solution-processed polymer with intrinsic microporosity (PIM) based on 9, 9-bis (4-hydroxyphenyl) fluorene (BHPF) film is investigated. A fully flexible and transparent PIM film exhibiting uniform and high transmittance of more than 90% within the visible light range is demonstrated. The stability of the PIM film is further demonstrated with relatively stable coefficient of thermal expansion (CTE) characteristics. Additionally, the film has high heat resistance that can withstand high-temperature processes at 250 °C. The PIM film exhibits a remarkably high glass transition temperature ( of 294.7 °C, indicating the thermal stability of the film at elevated temperatures. The PIM film also exhibits relatively high surface energy, low surface roughness ( ), and peak-to-valley values of 0.45 and 4.4 nm, respectively. This surface morphology confirms the PIM film’s superior characteristic in preventing short circuits or leakage in current paths in an organic electronic device. Finally, the PIM film is successfully tested as a substrate for a bottom-emitting organic light-emitting diode (OLED). The investigation has proven PIM film to be a good candidate to be adopted as a substrate in fabricating advanced organic electronic devices and next-generation displays.","PeriodicalId":16257,"journal":{"name":"Journal of Information Display","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46349448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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: 2

Comfortable brightness of watching television in the dark 在黑暗中看电视的舒适亮度

IF 3.7 3区工程技术

Journal of Information Display Pub Date : 2023-05-03 DOI: 10.1080/15980316.2023.2206026

Byeong-Yong Kim, Taesu Kim, Hyeon‐Jeong Suk

引用次数: 0

Applying multi-focus filtering plane in double-step Fresnel diffraction method for enhanced holographic projection region 在双步菲涅耳衍射法中应用多焦点滤波平面增强全息投影区域

IF 3.7 3区工程技术

Journal of Information Display Pub Date : 2023-05-03 DOI: 10.1080/15980316.2023.2203366

Young-Jun Ann, Seung-Yeol Lee

{"title":"Applying multi-focus filtering plane in double-step Fresnel diffraction method for enhanced holographic projection region","authors":"Young-Jun Ann, Seung-Yeol Lee","doi":"10.1080/15980316.2023.2203366","DOIUrl":"https://doi.org/10.1080/15980316.2023.2203366","url":null,"abstract":"Computer-generated holography has been anticipated in augmented reality (AR) since it can fully provide multi-depth 3D information to users, but speckle noises are often accompanied as one of the most significant degradation factors. Since complex amplitude encoding can suppress speckle noises, applying double-phase encoding to a lensless holographic projection system using a double-step Fresnel diffraction (DSF) algorithm has been reported to reduce those noises. However, a single filtering focus at a virtual focal plane might significantly reduce the projection region compared to the maximum diffraction bandwidth of the spatial light modulator. In this paper, we applied multiple foci for the focal plane of the DSF method with off-axis phase encoding, which can expand the projection region and is applicable to display multi-depth images with DSF. Numerical analysis conducted for image quality compared with conventional single focus DSF algorithm shows that the speckle performance does not degrade so much as the number of foci increase. We expect the proposed method to be useful for holographic projection optical systems such as AR head-up display.","PeriodicalId":16257,"journal":{"name":"Journal of Information Display","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48418301","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Charge transfer enabled by the p-doping of WSe2 for 2D material-based printable electronics WSe2的p掺杂使二维材料可印刷电子器件的电荷转移成为可能

IF 3.7 3区工程技术

Journal of Information Display Pub Date : 2023-04-27 DOI: 10.1080/15980316.2023.2204205

Taoyu Zou, Haksoon Jung, A. Liu, Soo-Kwan Kim, Youjin Reo, Taesu Choi, Yong‐Young Noh

引用次数: 2

Constructing physical space design for high color gamut in mixed reality environment 构建混合现实环境下的高色域物理空间设计

IF 3.7 3区工程技术

Journal of Information Display Pub Date : 2023-04-09 DOI: 10.1080/15980316.2023.2197564

Jihyung Kim, J. Ka, Ju Hong Park, Wooksung Kim

{"title":"Constructing physical space design for high color gamut in mixed reality environment","authors":"Jihyung Kim, J. Ka, Ju Hong Park, Wooksung Kim","doi":"10.1080/15980316.2023.2197564","DOIUrl":"https://doi.org/10.1080/15980316.2023.2197564","url":null,"abstract":"This paper presents a physical space design method for mixed reality-based immersive environments by improving the color rendering of optically visible head-mounted displays. In OST-HMD, the phenomenon that the light of the external environment is combined with the enhanced image occurs, which reduces the visibility of the content. Moreover, previous studies to solve this problem required additional optical components or performed only simple verification. Proposed physical space was designed using black curtains, blinds, low-reflection structures, and adjustable lighting. The physical space can be adapted to the intended use of the physical space through physical transitions for multiple users without additional optics. To verify the usefulness of this environment, we measured the color gamut and intensity spectrum in three experimental environments. Also, we analyzed the factors that change the color gamut according to the components and the surrounding environment. As a result, the color gamut improved by up to 4.7 times from 19.92% to 93.53% based on the environment and improved by up to 4.1 times from 21% to 86.29% depending on the location. The experimental results revealed that the presented method could reduce the factors that degrade the color gamut within all measurement locations and significantly improve the color gamut.","PeriodicalId":16257,"journal":{"name":"Journal of Information Display","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48680070","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Area-selective atomic layer deposition of Al2O3 using inkjet-printed inhibition patterns and lift-off process 使用喷墨打印的抑制图案和剥离工艺的Al2O3的区域选择性原子层沉积

IF 3.7 3区工程技术

Journal of Information Display Pub Date : 2023-03-19 DOI: 10.1080/15980316.2023.2189079

J. Yu, Young-In Cho, Jaewook Lee, Kyung-Hyun Choi, Sang-Ho Lee

{"title":"Area-selective atomic layer deposition of Al2O3 using inkjet-printed inhibition patterns and lift-off process","authors":"J. Yu, Young-In Cho, Jaewook Lee, Kyung-Hyun Choi, Sang-Ho Lee","doi":"10.1080/15980316.2023.2189079","DOIUrl":"https://doi.org/10.1080/15980316.2023.2189079","url":null,"abstract":"Area-selective atomic layer deposition (AS-ALD) has been studied as an alternative method for metal oxide ALD film patterning in the microelectronics industry. To perform AS-ALD, area-deactivation or -activation processes should be implemented in advance using selective surface modification through a photography-based lift-off process and printing techniques. This study introduces a novel approach for Al2O3 AS-ALD using inkjet-printed inhibition patterns. ALD-inhibition patterns with two-layer structures of fluorocarbon (FC) thin film and photoresist (PR) were patterned by inkjet printing. Low surface energy FC thin films were used to block the Al2O3 nucleation and growth during the ALD process, and PR was patterned to easily remove ALD-inhibition patterns using a lift-off process. To demonstrate AS-ALD, an Al2O3 thin film approximately 10 nm thick was deposited via an in-house built system with a multiple-slit gas source. The proposed AS-ALD method was evaluated for topological analysis using atomic force microscopy and surface composition analysis using a time of flight secondary ion mass spectrometry after Al2O3 deposition and a lift-off process. Finally, a 6 nm thick Al2O3 film was selectively patterned by the lift-off process using an inkjet-printed 1.28 μm thick FC-covered PR inhibition pattern.","PeriodicalId":16257,"journal":{"name":"Journal of Information Display","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44991870","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Serially connected tantalum and amorphous indium tin oxide for sensing the temperature increase in IGZO thin-film transistor backplanes 用于感应IGZO薄膜晶体管背板温度升高的串联钽和非晶铟锡氧化物

IF 3.7 3区工程技术

Journal of Information Display Pub Date : 2023-03-08 DOI: 10.1080/15980316.2023.2185563

E. Yu, S. Kim, Seojin Kang, Hyuck-Su Lee, S. Moon, Jongmo Lee, SeungBae An, Byung Seong Bae

{"title":"Serially connected tantalum and amorphous indium tin oxide for sensing the temperature increase in IGZO thin-film transistor backplanes","authors":"E. Yu, S. Kim, Seojin Kang, Hyuck-Su Lee, S. Moon, Jongmo Lee, SeungBae An, Byung Seong Bae","doi":"10.1080/15980316.2023.2185563","DOIUrl":"https://doi.org/10.1080/15980316.2023.2185563","url":null,"abstract":"A temperature sensor embedded in an In-Ga-Zn oxide (IGZO) TFT was evaluated after fabrication to facilitate monitoring of the temperature distribution on a thin-film transistor (TFT) array. Because the proposed temperature sensor uses the same material as the TFT, no additional process or material is required. Moreover, it can be used as a light shield layer because the temperature sensor is located on a TFT. The temperature sensor used in this study was serially connected to indium tin oxide and a metal. As the temperature increased to 120 °C, the output voltage of the temperature sensor increased to 176.6 mV. The sensitivity, hysteresis, and repeatability were 0.85 mV/°C, 3.56 %, and 0.04 %, respectively. The temperature sensor was integrated into an amorphous IGZO bottom-gate TFT. The TFT exhibited a field-effect mobility of 8.2 cm2V−1·s−1 and threshold voltage of 5.2 V. As the drain current increased from 300 µA to 1.1 mA, the temperature increased from 26 to 32.9 °C, and the output voltages of the temperature sensor augmented from 66 to 76 mV. The integrated temperature sensors enable us to measure the temperature distribution in a display panel and compensate for image deterioration due to increased temperature.","PeriodicalId":16257,"journal":{"name":"Journal of Information Display","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45734721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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: 1

Time-course analysis of change in display color-appearance based on ambient light change 基于环境光变化的显示器颜色外观变化的时间过程分析

IF 3.7 3区工程技术

Journal of Information Display Pub Date : 2023-02-27 DOI: 10.1080/15980316.2023.2165322

Seonyoung Yoon, Y. Kwak, Hyosun Kim

引用次数: 0

Low temperature processed, highly stable CMOS inverter by integrating Zn-ON and tellurium thin-film transistors 低温加工，高稳定的CMOS逆变器集成锌- on和碲薄膜晶体管

IF 3.7 3区工程技术

Journal of Information Display Pub Date : 2023-02-09 DOI: 10.1080/15980316.2023.2174195

M. Naqi, S. Jang, Y. Cho, Ji Min Park, Joo on Oh, Hyun Yeol Rho, Hyunsook Kim, Sunkook Kim

引用次数: 1

Controlling the interfacial dipole via functionalization of quinoxaline-based small molecules for electron transport layer in organic light emitting diodes 有机发光二极管中电子传递层喹啉基小分子功能化控制界面偶极子

IF 3.7 3区工程技术

Journal of Information Display Pub Date : 2023-02-02 DOI: 10.1080/15980316.2023.2171145

Seok Woo Lee, Xiangyang Fan, D. Whang, J. Jang, Hyosung Choi, D. Chang, B. Lee

{"title":"Controlling the interfacial dipole via functionalization of quinoxaline-based small molecules for electron transport layer in organic light emitting diodes","authors":"Seok Woo Lee, Xiangyang Fan, D. Whang, J. Jang, Hyosung Choi, D. Chang, B. Lee","doi":"10.1080/15980316.2023.2171145","DOIUrl":"https://doi.org/10.1080/15980316.2023.2171145","url":null,"abstract":"Optoelectronic devices with organic semiconductors, such as organic light-emitting diodes (OLEDs), have received much attention because they offer ease of processing and device flexibility. However, practical application of these devices is still hindered by relatively poor device performance and lack of cost-effective fabrication process, which represent properties largely determined by the molecular dipole moments of the organic molecules. In this study, we designed and prepared novel quinoxaline-phosphine oxide small molecules (QPSMs) as the electron transport layer (ETL) for the solution-processable OLEDs by tuning the end functional group of the aromatic QPSMs. A key design criterion was controlling the dipole moments of QPSMs, which confers (1) convenient deposition on the emission layer without further annealing through solubility in isopropanol and (2) improved electron injection/transport behavior through effective band level matching of the devices. In particular, the optimized OLEDs with (4-(2,3-bis(4-methoxyphenyl)quinoxalin-5-yl)phenyl)diphenylphosphine oxide (MQxTPPO1) exhibit external quantum efficiency (EQE) of 6.12%. Our results demonstrate the potential application of QPSMs as next-generation ETLs in organic semiconductors.","PeriodicalId":16257,"journal":{"name":"Journal of Information Display","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46779926","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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: 1