organic electroluminescent device
An electroluminescence device and electroluminescence technology, which are applied in circuits, electrical components, electric solid devices, etc., can solve the problems of color shift, low luminous brightness of red photonic pixels and green photonic pixels, etc.
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Embodiment 1
[0053] This embodiment provides an organic electroluminescent device, such as Figure 4 As shown, it includes a pixel defining layer 1 disposed on a substrate 3 , and a groove 11 for accommodating a sub-pixel unit is opened in the pixel defining layer 1 . In the organic electroluminescent device provided in this embodiment,
[0054] The device structure of the red sub-pixel unit is: ITO(10nm) / Ag(100nm) / ITO(10nm) / CuPc(20nm) / TPD(200nm) / CBP:Ir(piq) 3 (3%, 30nm) / TPBi(40nm) / LiF(1nm) / Mg:Ag(20%, 15nm) / NPB(60nm);
[0055] The device structure of the green photosub-pixel unit is: ITO(10nm) / Ag(100nm) / ITO(10nm) / CuPc(20nm) / TPD(150nm) / CBP:Ir(ppy) 3 (10%, 30nm) / TPBi(40nm) / LiF(1nm) / Mg:Ag(20%, 15nm) / NPB(60nm);
[0056] The blue light sub-pixel unit device structure is: ITO(10nm) / Ag(100nm) / ITO(10nm) / CuPc(20nm) / TPD(120nm) / CBP: Firpic(3%,30nm) / TPBi(40nm) / LiF( 1nm) / Mg:Ag(20%,15nm) / NPB(60nm);
[0057] The pixel definition layer 1 is polyvinyl alcohol, and the static contact angle between poly...
Embodiment 2
[0059] This embodiment provides an organic electroluminescent device, the structure of which is the same as that of Embodiment 1, except that figure 2 As shown, the longitudinal section of the pixel defining layer 11 is a regular trapezoid, the side length of the upper and lower bottom surfaces is 22um, the height is 1.5um, and the angle between the bottom surfaces is 150°.
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