Pub Date : 2023-12-15DOI: 10.1080/15980316.2023.2292465
Hye-Jin Oh, Yoon-Seo Kim, Hyun-Jun Jeong, Sunhee Lee, Joon Seok Park, Jinsin Park
{"title":"Compositional tailoring of indium-free GZO layers via plasma-enhanced atomic layer deposition for highly stable IGZO/GZO TFT","authors":"Hye-Jin Oh, Yoon-Seo Kim, Hyun-Jun Jeong, Sunhee Lee, Joon Seok Park, Jinsin Park","doi":"10.1080/15980316.2023.2292465","DOIUrl":"https://doi.org/10.1080/15980316.2023.2292465","url":null,"abstract":"","PeriodicalId":16257,"journal":{"name":"Journal of Information Display","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138970643","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}
Pub Date : 2023-12-15DOI: 10.1080/15980316.2023.2289826
Mehmet Toyanc Yazgan, Mustafa Yağımlı, Jason Ozubko
{"title":"Evaluating and modeling the effects of brightness on visual attention using multiple object tracking method","authors":"Mehmet Toyanc Yazgan, Mustafa Yağımlı, Jason Ozubko","doi":"10.1080/15980316.2023.2289826","DOIUrl":"https://doi.org/10.1080/15980316.2023.2289826","url":null,"abstract":"","PeriodicalId":16257,"journal":{"name":"Journal of Information Display","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138999565","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}
Pub Date : 2023-12-12DOI: 10.1080/15980316.2023.2289825
Hyunsu Cho, Chan-mo Kang, Sukyung Choi, C. Joo, Byoung‐Hwa Kwon, Jin‐Wook Shin, Kukjoo Kim, Dae Hyun Ahn, Nam Sung Cho
{"title":"Exploration of OLED structures for high-resolution microdisplays with enhanced efficiency and color gamut","authors":"Hyunsu Cho, Chan-mo Kang, Sukyung Choi, C. Joo, Byoung‐Hwa Kwon, Jin‐Wook Shin, Kukjoo Kim, Dae Hyun Ahn, Nam Sung Cho","doi":"10.1080/15980316.2023.2289825","DOIUrl":"https://doi.org/10.1080/15980316.2023.2289825","url":null,"abstract":"","PeriodicalId":16257,"journal":{"name":"Journal of Information Display","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138977137","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}
Pub Date : 2023-11-24DOI: 10.1080/15980316.2023.2285732
Jinwoo Shin, Jun Yeob Lee
{"title":"Hole injection control of electron blocking layer for broad recombination zone and low-efficiency roll-off in phosphorescent organic light emitting device","authors":"Jinwoo Shin, Jun Yeob Lee","doi":"10.1080/15980316.2023.2285732","DOIUrl":"https://doi.org/10.1080/15980316.2023.2285732","url":null,"abstract":"","PeriodicalId":16257,"journal":{"name":"Journal of Information Display","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139240694","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}
Pub Date : 2023-11-16DOI: 10.1080/15980316.2023.2278896
Seong Eui Chang, Chan-Yul Park, Eojin Yoon, Joo Sung Kim, Tae-Woo Lee
{"title":"Advances and future perspectives in polycrystalline halide perovskite light-emitting diodes","authors":"Seong Eui Chang, Chan-Yul Park, Eojin Yoon, Joo Sung Kim, Tae-Woo Lee","doi":"10.1080/15980316.2023.2278896","DOIUrl":"https://doi.org/10.1080/15980316.2023.2278896","url":null,"abstract":"","PeriodicalId":16257,"journal":{"name":"Journal of Information Display","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139270270","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}
Pub Date : 2023-11-16DOI: 10.1080/15980316.2023.2281224
Junho Jung, HanByeol Park, Ha Young Jung, Se Eun Jung, Seo Gyun Kim, Tae Hyung Kim, Young Jin Lim, Bon-Cheol Ku, MinSu Kim, Seung Hee Lee
{"title":"Recent progress in liquid crystal devices and materials of TFT-LCDs","authors":"Junho Jung, HanByeol Park, Ha Young Jung, Se Eun Jung, Seo Gyun Kim, Tae Hyung Kim, Young Jin Lim, Bon-Cheol Ku, MinSu Kim, Seung Hee Lee","doi":"10.1080/15980316.2023.2281224","DOIUrl":"https://doi.org/10.1080/15980316.2023.2281224","url":null,"abstract":"","PeriodicalId":16257,"journal":{"name":"Journal of Information Display","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139270769","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}
Pub Date : 2023-11-06DOI: 10.1080/15980316.2023.2272561
Kanghoon Kim, Jae-In Yoo, Hyo-Bin Kim, Sung-Cheon Kang, Jincheol Jang, Sundararajan Parani, Jang-Kun Song
Efficient charge generation is essential for tandem organic light-emitting diode (OLED) devices. In this study, we introduce a p-type copper iodide (CuI) layer within the charge generation layer (CGL) that exhibits high charge generation efficiency in tandem OLED devices. Briefly, CuI is deposited as a thin layer via thermal evaporation technique. X-ray diffraction (XRD) analysis reveals the formation of γ-CuI, and the ultraviolet-visible (UV-Vis) spectral analysis demonstrates outstanding optical transparency (∼95%) of the deposited CuI films in the visible range. The current-voltage (I-V) and capacitance-voltage (C-V) analyses show that the p-type CuI layer is a vital and excellent charge generator and enhances the current density significantly. The tandem OLED device fabricated using Bphen:Liq/CuI/HAT-CN as the CGL results in a substantial 1.9-fold increase in current efficiency compared to the single-unit OLED device, approaching the theoretical two-fold increase. These findings highlight the potential of CuI as a promising p-type material for CGL design in tandem OLED devices.
{"title":"Highly efficient tandem organic light-emitting diodes using p-type metal halide copper iodide (CuI)","authors":"Kanghoon Kim, Jae-In Yoo, Hyo-Bin Kim, Sung-Cheon Kang, Jincheol Jang, Sundararajan Parani, Jang-Kun Song","doi":"10.1080/15980316.2023.2272561","DOIUrl":"https://doi.org/10.1080/15980316.2023.2272561","url":null,"abstract":"Efficient charge generation is essential for tandem organic light-emitting diode (OLED) devices. In this study, we introduce a p-type copper iodide (CuI) layer within the charge generation layer (CGL) that exhibits high charge generation efficiency in tandem OLED devices. Briefly, CuI is deposited as a thin layer via thermal evaporation technique. X-ray diffraction (XRD) analysis reveals the formation of γ-CuI, and the ultraviolet-visible (UV-Vis) spectral analysis demonstrates outstanding optical transparency (∼95%) of the deposited CuI films in the visible range. The current-voltage (I-V) and capacitance-voltage (C-V) analyses show that the p-type CuI layer is a vital and excellent charge generator and enhances the current density significantly. The tandem OLED device fabricated using Bphen:Liq/CuI/HAT-CN as the CGL results in a substantial 1.9-fold increase in current efficiency compared to the single-unit OLED device, approaching the theoretical two-fold increase. These findings highlight the potential of CuI as a promising p-type material for CGL design in tandem OLED devices.","PeriodicalId":16257,"journal":{"name":"Journal of Information Display","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135684190","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}
Pub Date : 2023-10-18DOI: 10.1080/15980316.2023.2271176
So-Young Boo, Akeem Raji, Jae-Yong Park, Somi Park, Jonghee Lee, Jae-Hyun Lee
This study investigated the charge injection and accumulation characteristics of organic light-emitting diodes (OLEDs) generated by spontaneous orientation polarization (SOP) of organic molecules. SOP enhances the electrical characteristics of OLED devices, such as charge injection and transport, by adjusting the interfacial charge density between the organic layers within the device. An OLED device with a mixed co-host emitting layer was fabricated to examine the degradation effect of SOP after electrical aging. Impedance spectroscopy (IS) revealed the presence of interfacial charges originating from the SOP of small molecules within the electron transport layer (ETL), in both pristine and aged devices. Furthermore, the IS simulation results using equivalent circuits were successfully interpreted based on the electrical properties of each organic layer in the pristine and aged devices. The electrical properties of the ETL, which contained 1,3,5-tris(N-phenyl benzimidazole-2-yl)benzene (TPBi), were degraded, reducing hole accumulation and electron injection.
{"title":"Analysis of interfacial charges in aged co-host emitting layer of organic light-emitting diodes using impedance spectroscopy","authors":"So-Young Boo, Akeem Raji, Jae-Yong Park, Somi Park, Jonghee Lee, Jae-Hyun Lee","doi":"10.1080/15980316.2023.2271176","DOIUrl":"https://doi.org/10.1080/15980316.2023.2271176","url":null,"abstract":"This study investigated the charge injection and accumulation characteristics of organic light-emitting diodes (OLEDs) generated by spontaneous orientation polarization (SOP) of organic molecules. SOP enhances the electrical characteristics of OLED devices, such as charge injection and transport, by adjusting the interfacial charge density between the organic layers within the device. An OLED device with a mixed co-host emitting layer was fabricated to examine the degradation effect of SOP after electrical aging. Impedance spectroscopy (IS) revealed the presence of interfacial charges originating from the SOP of small molecules within the electron transport layer (ETL), in both pristine and aged devices. Furthermore, the IS simulation results using equivalent circuits were successfully interpreted based on the electrical properties of each organic layer in the pristine and aged devices. The electrical properties of the ETL, which contained 1,3,5-tris(N-phenyl benzimidazole-2-yl)benzene (TPBi), were degraded, reducing hole accumulation and electron injection.","PeriodicalId":16257,"journal":{"name":"Journal of Information Display","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135824985","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}
Pub Date : 2023-09-04DOI: 10.1080/15980316.2023.2248403
Junyu Chen, He Ding, Xing Sheng
{"title":"Advanced manufacturing of microscale light-emitting diodes and their use in displays and biomedicine","authors":"Junyu Chen, He Ding, Xing Sheng","doi":"10.1080/15980316.2023.2248403","DOIUrl":"https://doi.org/10.1080/15980316.2023.2248403","url":null,"abstract":"","PeriodicalId":16257,"journal":{"name":"Journal of Information Display","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41315217","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}
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