Abstract: Discussed is a display device including a substrate having a first region and a second region, an anode at the first region, an organic layer at the second region and at the first region, a cathode on the organic layer of the first region, a bank between the first region and the second region, an optical compensation layer on the cathode of the first region and the organic layer of the second region, and an encapsulation layer on the optical compensation layer at the first region and the second region. The cathode is interposed between the optical compensation layer and the organic layer over the first region.

Abstract: Discussed is a display device for improving both transmittance and efficiency of light that is transmitted through a light-emitting unit and a transmissive unit due to a phase difference of ? at an interface between an organic layer and an optical compensation layer of the display device.

Abstract: A method of generating and managing an annotation on an electronic book (eBook) and a system thereof are provided. A user terminal that provides a viewer function with respect to digital content may include a touch sensing display, at least one processor, a memory, and at least one program, and the at least one program is stored in the memory so as to be executed by the at least one processor, and includes a content display code to display a content layer on which the digital content is rendered, on a screen of the touch sensing display, and an annotation storage code to generate annotation data by applying, to an object selected by a user, an application associated with an annotation in response to a request from the user, and to store the generated annotation data to be associated with the user.

Abstract: The back-surface-field type of heterojunction solar cell according to the present invention comprises a crystalline silicon substrate of a first conductivity type, a semiconductor layer of the first conductivity type provided in the upper stratum of the substrate, an anti-reflective film provided on the front surface of the substrate, an intrinsic layer provided on the rear surface of the substrate, amorphous semiconductor layers of the first conductivity type and amorphous semiconductor layers of the second conductivity type repeatedly disposed alternately on the intrinsic layer, and first-conductivity-type electrodes and second-conductivity-type electrodes which are respectively provided on the amorphous semiconductor layers of the first conductivity type and the amorphous semiconductor layers of the second conductivity type.

Abstract: The back-surface-field type of heterojunction solar cell according to the present invention comprises a crystalline silicon substrate of a first conductivity type, an intrinsic layer and an amorphous silicon layer of the first conductivity type which are laminated in sequence on the front surface of the substrate, an anti-reflective film laminated on the amorphous silicon of the second conductivity type, junction regions of the first conductivity type and junction regions of the second conductivity type which are formed to a predetermined depth on the inside of the substrate from the rear surface of the substrate, and first-conductivity-type electrodes and second-conductivity-type electrodes which are respectively provided on the junction regions of the first conductivity type and the junction regions of the second conductivity type; wherein the first-conductivity-type electrodes and the second-conductivity-type electrodes are disposed alternately.

Abstract: Provided is a trench line for the disconnection of a solar cell, capable of effectively insulating a semiconductor layer at an upper portion of a substrate from a semiconductor layer at a side portion of the substrate and improving disconnection reliability. The trench line for the disconnection of a solar cell according to the disclosure which electrically insulates the semiconductor layers formed at the upper portion and the side portion of the substrate of the solar cell from each other, includes a plurality of unit trench lines which are disposed to intersect at an upper surface of the substrate of the solar cell. Intersecting points of the intersecting unit trench lines are positioned on the unit trench lines and are positioned at points spaced inwardly from starting points or ending points of the unit trench lines by a predetermined distance.