Double-sided electroluminescent display panel and display device

    公开(公告)号:US10461280B2

    公开(公告)日:2019-10-29

    申请号:US15736551

    申请日:2017-06-28

    Abstract: A double-sided electroluminescent display panel and a display device are provided. The double-sided electroluminescent display panel includes: a first absorption polarization structure disposed on a first light-emitting surface of a transparent electroluminescent (EL) structure, and a first reflective polarization structure disposed on a second light-emitting surface of the transparent EL structure; wherein transmission axes of the first absorption polarization structure and the first reflective polarization structure are perpendicular to each other; the first absorption polarization structure is configured to absorb light of a first wave component and transmit light of a second wave component; the first reflective polarization structure is configured to transmit the light of the first wave component and reflect the light of the second wave component.

    Organic Light-Emitting Diode Device and Manufacturing Method Thereof and Display Panel

    公开(公告)号:US20190006628A1

    公开(公告)日:2019-01-03

    申请号:US15736330

    申请日:2017-06-05

    Abstract: An organic light-emitting diode device, a manufacturing method thereof, and a display panel are provided. The organic light-emitting diode device includes: a first electrode layer; a second electrode layer; a third electrode layer; an electrically induced refractive index change layer and an organic light-emitting layer. The electrically induced refractive index change layer is disposes between the first electrode layer and the second electrode layer and is configured to allow its own refractive index to be changed in operation according to a voltage difference between the first electrode layer and the second electrode layer. The organic light-emitting layer is disposed between the second electrode layer and the third electrode layer and is configured to emit light in operation according to a voltage difference between the second electrode layer and the third electrode layer.

    Apparatus and method for detecting presence of attenuation in OLED device

    公开(公告)号:US10396285B2

    公开(公告)日:2019-08-27

    申请号:US15736349

    申请日:2017-06-30

    Abstract: An apparatus and a method for detecting presence of attenuation in the OLED device are provided. The apparatus for detecting presence of attenuation in the OLED device includes: a difference function construction circuit, an integrating circuit, a comparing circuit and a determining circuit. The method for detecting presence of attenuation in the OLED device includes: constructing a first light brightness difference function and a second light brightness difference function before and after aging, integrating the first function and the second function, comparing two integrals, and determining whether or not intrinsic attenuation is present in a light emitting material of a light emitting layer in the OLED device. The apparatus for detecting presence of attenuation in the OLED device is configured for executing the method for detecting presence of attenuation in the OLED device.

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