Patent ID: 9425423
Filing Date: 2016-08-23
CPC Classification: G03B,G09G,H01L,H04N

Claim Text:
1. A screen for displaying information for an optical device, which is arranged within an optical path of the optical device and comprises: a transparent organic light-emitting device (TOLED) which is capable of emitting light when a control signal is present at an input to the TOLED, wherein the TOLED includes: (i) a transparent substrate; (ii) a lower electrode which is formed on the substrate to receive a power and the control signal; (iii) an organic layer which is formed on the lower electrode; (iv) a first light-transmissive layer which is formed on the organic layer; (v) an upper electrode which is formed on the first light-transmissive layer to receive the control signal; and (vi) a second light-transmissive layer which is formed on the upper electrode, wherein the (i), (ii), (iii), (vi), (v), and (vi) are stacked in this order, wherein the first light-transmissive layer (iv) and the second light-transmissive layer (vi) each include at least one selected from the group consisting of an oxide, nitride, salt, and a composite thereof, and wherein the first light-transmissive layer (iv) and the second light-transmissive layer (vi) are made of different materials from each other.