Transflective BPIII mode with no internal reflector

Chen, Hui-Yu; Lu, Sheng-Feng; Wu, Pin-Hung; Wang, Ching-Sheng

doi:10.1080/02678292.2016.1217569

Cited by 12 publications

(12 citation statements)

References 20 publications

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“…Thus, in their model of the extended Kerr effect, the odd-order terms of the electro-optical effects, such as the Pockels effect, were neglected. The other interesting experimental result in our previous paper [12] pointed that the transmittance was usually stronger near the boundary of the electrode and was lower in the middle of two neighboring strip electrodes. The non-uniform transmittance distribution starting from one electrode boundary to the other can be improved by increasing the cell thickness of the IPS-BPIII cell [12].…”

Section: Introductionmentioning

confidence: 61%

“…The other interesting experimental result in our previous paper [12] pointed that the transmittance was usually stronger near the boundary of the electrode and was lower in the middle of two neighboring strip electrodes. The non-uniform transmittance distribution starting from one electrode boundary to the other can be improved by increasing the cell thickness of the IPS-BPIII cell [12]. In the IPS cell, the favored electric-field direction is unanimous on the substrate, and then the distribution of the electric field between two neighboring strip electrodes is assumed to be uniform above a reasonable thickness.…”

Section: Introductionmentioning

confidence: 61%

“…Compared to the electro-optical properties of BPI and BPII, BPIII exhibits a fast response with no residual birefringence, and there is no hysteresis effect when an in-plane electric field is applied [10,11]. Moreover, a transflective device without an internal reflector using a room-temperature BPIII material is demonstrated [12].…”

Section: Introductionmentioning

confidence: 99%

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Symmetry Breaking Induced Pockels Effect in a Tilted Field Switching BPIII Cell

Chen

Wang

2019

Crystals

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In this study, we propose driving the amorphous blue phase III (BPIII) with a tilted electric field to enhance or magnify its inherent linear electro-optical properties. The electro-optical properties of in-plane-switching (IPS) BPIII and tilted-field-switching (TFS) BPIII cells are compared here. According to the change in the induced birefringence with varying the strength of the electric field in the TFS-BPIII cell, the Kerr effect occurs in the low electric field and the Pockels effect dominates in the high electric field. In addition, the transmittance of the TFS-BPIII cell depends on the polarity of the applied field from 1 Hz to 10 kHz. It also results in the rise time of the TFS-BPIII cell being almost half of that of the IPS-BPIII cell. These experimental results and discussion allowed us to unravel the mystery of the amorphous BPIII step by step and provide the potential application of BPIII in photonic devices.

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Section: Introductionmentioning

confidence: 61%

Section: Introductionmentioning

confidence: 61%

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Symmetry Breaking Induced Pockels Effect in a Tilted Field Switching BPIII Cell

Chen

Wang

2019

Crystals

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“…Transflective liquid crystal displays (TR‐LCDs) have been widely used in mobile devices such as electronic book, tablet personal computers, and cell phones because of their good sunlight readability, as well as low power consumption . A commonly introduced TR‐LCD consists of transmittance (T) and reflectance (R) subpixels, and in the T mode the light is produced by a backlight while R mode uses ambient light to readout the displayed images .…”

Section: Introductionmentioning

confidence: 99%

“…Transflective liquid crystal displays (TR-LCDs) have been widely used in mobile devices such as electronic book, tablet personal computers, and cell phones because of their good sunlight readability, as well as low power consumption. [1][2][3][4][5][6][7][8][9][10] A commonly introduced TR-LCD consists of transmittance (T) and reflectance (R) subpixels, and in the T mode the light is produced by a backlight while R mode uses ambient light to readout the displayed images. 2 A major technical challenge of the TR-LCDs is to compensate the optical path length between the T and R regions, because the light passes only once through the LC layer in the T subpixel but twice through the LC layer in the R subpixel.…”

Section: Introductionmentioning

confidence: 99%

Simulation study of single‐cell‐gap transflective liquid crystal display with nonuniform potential

et al. 2019

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A single‐cell‐gap transflective liquid crystal display with a nonuniform electric potential is demonstrated. The top substrate has a top planar common electrode, a transparent dielectric layer with a general dielectric constant is coated on the bottom substrate, and two planar pixel electrodes with the same size are coated on the dielectric layer and the bottom substrate, respectively. With the different gaps between the two planar pixel electrodes and top planar pixel electrode, the nonuniform electric potential from the transmissive region (T region) to the reflective region (R region) is generated, while a bumpy reflector is coated under the bottom substrate. In this device, with the dielectric layer, the pixel and common electrodes generate a strong electric potential in the T region and a relatively weak electric potential in the R region. Consequently, the T and R regions accumulate the same optical phase retardation. The simulation results show that the display exhibits reasonably low operating voltage, high optical efficiency, and well‐matched voltage‐dependent transmittance and reflectance curves. Besides, the fabrication process and the driving mode of the transflective liquid crystal display are relatively simple, and it is suitable for mobile applications.

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Enhancement of surface anchoring energy in low power consumption transflective liquid crystal displays with three display modes

Liu

Cheng

2018

Optics Communications

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Transflective BPIII mode with no internal reflector

Cited by 12 publications

References 20 publications

Symmetry Breaking Induced Pockels Effect in a Tilted Field Switching BPIII Cell

Symmetry Breaking Induced Pockels Effect in a Tilted Field Switching BPIII Cell

Simulation study of single‐cell‐gap transflective liquid crystal display with nonuniform potential

Enhancement of surface anchoring energy in low power consumption transflective liquid crystal displays with three display modes

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