PATENT CLAIM ANALYSIS

Application Number: 15860202
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-07
Patent Classification: ["362", "607000"]

Abstract:
Provided are a directional backlight unit and an image display apparatus including the same. The directional backlight unit includes at least one light source, a light guide plate arranged at a side of the at least one light source and configured to guide light emitted from the at least one light source by total reflection, a plurality of diffraction gratings arranged in a pattern at a surface of the light guide plate and configured to diffract the light and to emit the light diffracted by the plurality of diffraction gratings at a predetermined angle from a front surface; and a mirror arranged at a rear surface of the light guide plate and configured to reflect the light diffracted by the plurality of diffraction gratings toward the light guide plate, the rear surface of the light guide plate being opposite to the front surface of the light guide plate.

Claim (Index 11):
An image display apparatus comprising:\n at least one light source; a light guide plate arranged at a side of the at least one light source, and configured to guide light emitted from the at least one light source by total reflection; a plurality of diffraction gratings arranged in a pattern at a surface of the light guide plate and configured to diffract the light emitted from the at least one light source and to emit the light diffracted by the plurality of diffraction gratings at a predetermined angle from a front surface of the light guide plate; a mirror arranged at a rear surface of the light guide plate and configured to reflect the light diffracted by the plurality of diffraction gratings toward the light guide plate, the rear surface of the light guide plate being opposite to the front surface of the light guide plate; and a display panel arranged on the front surface of the light guide plate.

Metadata:
- Claim Count in Document: 29.0
- Percentile: 86.0
- Lexical Diversity: 2.85185
- Patent Class: 362.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15236604', '15434364', '15413526', '15154343', '15774794']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8346033147288259
- 35 USC 102 Novelty (BERT): 0.498236464568399
- Combined Prediction Score: 0.8009666297127832
- Mean Citation Score: 279.749612
- Max Citation Score: 289.9207
- Similarity Product: 255.67662783259155

Labels:
- Claim Label 101: 1
- Claim Label 102: 0
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 0
- Label 101 Adjusted: 1

Dataset: test