PATENT CLAIM ANALYSIS

Application Number: 16080260
Application Type: Utility
Filing Date: 2018-10
Publication Date: 2019-02
Patent Classification: ["349", "106000"]

Abstract:
There is provided a display device exhibiting a good color reproducibility, even when observed through polarized sunglasses. A display device comprises a display element, and a polarizer a and an optical film X on a surface on a light emitting surface side of the display element, wherein L 1 , which is the light incident vertically on the optical film X, among light incident on the optical film X from the display element side, satisfies a specific condition, and L 2 , which is the light emitting vertically from the light emitting surface side of the optical film X, and passing through a polarizer b having the absorption axis parallel to the absorption axis of the polarizer a, satisfies a specific condition.

Claim (Index 9):
A method of selecting an optical film of a display device comprising a display element, and a polarizer a and the optical film on a surface on a light emitting surface side of the display element, wherein, when light incident on the optical film satisfies the following condition 1-1, the optical film satisfying the following condition 2-1 is selected:\n <Condition 1-1>\n let L 1  represent light incident vertically on the optical film X, among light incident on the optical film X from a display element side; an intensity of the L 1  is measured every 1 nm; it is assumed that a blue wavelength band range from 400 nm to less than 500 nm, a green wavelength band range from 500 nm to less than 600 nm, and a red wavelength band range from 600 nm to 780 nm; let B., represent a maximum intensity of the blue wavelength band of the L 1 , G max  represent a maximum intensity of the green wavelength band of the L 1 , and R max  represent a maximum intensity of the red wavelength band of the L 1 ; \n let L 1 \u03bb B  represent a wavelength showing the B max , L 1 \u03bb G  represent a wavelength showing the G max , and L 1 \u03bb R  represent a wavelength showing the R max ; \n let +\u03b1 B  represent a minimum wavelength showing a \u00bd or less of the intensity of the B max , and located in a plus direction side of L 1 \u03bb B , \u2212\u03b1 G  represent a maximum wavelength showing a \u00bd or less of the intensity of the G max , and located in a minus direction side of L 1 \u03bb G , +\u03b1 G  represent a minimum wavelength showing a \u00bd or less of the intensity of the G max , and located in a plus direction side of L 1 \u03bb G , and \u2212\u03b1 R  represent a maximum wavelength showing a \u00bd or less of the intensity of the R max , and located in a minus direction side of L 1 \u03bb R ; and \n L 1 \u03bb B , L 1 \u03bb G , L 1 \u03bb R , +\u03b1 B , \u2212\u03b1 G , +\u03b1 G  and \u2212\u03b1 R  satisfy the following relationships (1) to (4),\n +\u03b1 B <L 1 \u03bb G  \u2003\u2003(1) \n L 1 \u03bb B <\u2212\u03b1 G  \u2003\u2003(2) \n +\u03b1 G <L 1 \u03bb R  \u2003\u2003(3) \n L 1 \u03bb G <\u2212\u03b1 R  \u2003\u2003(4); \n \n <Condition 2-1>\n let L 2  represent light that emits vertically from the light emitting surface side of the optical film X, and passes through a polarizer b having an absorption axis parallel to an absorption axis of the polarizer a; an intensity of the L 2  is measured every 1 nm; a wavelength at which an inclination of an optical spectrum of the L 2  changes from negative to positive is assumed to be a bottom wavelength, and a wavelength at which the inclination of the optical spectrum of the L 2  switches from positive to negative is assumed to be a peak wavelength; \n let \u2212\u03b2 R  represent the maximum wavelength showing a \u2153 or less of the intensity of the R max , and located in the minus direction side of L 1 \u03bb R , +\u03b2 R  represent the minimum wavelength showing a \u2153 or less of the intensity of the R max , and located in a plus direction side of L 1 \u03bb R , \u2212\u03b2 G  represent the maximum wavelength showing a \u2153 or less of the intensity of the G max , and located in the minus direction side of L 1 \u03bb G , +\u03b2 G  represent the minimum wavelength showing a \u2153 or less of the intensity of the G max , and located in the plus direction side of L 1 \u03bb G , \u03b2 B  represent the maximum wavelength showing a \u2153 or less of the intensity of the B max , and located in a minus direction side of L 1 \u03bb B , and +\u03b2 B  represent the minimum wavelength showing a \u2153 or less of the intensity of the B max , and located in the plus direction side of L 1 \u03bb B ; \n let R \u03b2  represent a wavelength band ranging from \u2212\u03b2 R  to +\u03b2 R  in the range of 600 nm to 780 nm, G \u03b2  represent a wavelength band ranging from \u2212\u03b2 G  to +\u03b2 G  in the range of 500 nm to less than 600 nm, and B \u03b2  represent a wavelength band ranging from \u2212\u03b2 B  to +\u03b2 B  in the range of 400 nm to less than 500 nm; and \n each of the wavelength bands of the R \u03b2 , the G \u03b2 , and the B \u03b2  includes one or more bottom wavelengths and one or more peak wavelengths.

Metadata:
- Claim Count in Document: 17.0
- Percentile: 97.0
- Lexical Diversity: 2.49057
- Patent Class: 349.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['10182228', '14532053', '12766600', '11911993', '10856803']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8371098164790209
- 35 USC 102 Novelty (BERT): 0.4832428421599935
- Combined Prediction Score: 0.8017231190471182
- Mean Citation Score: 196.408654
- Max Citation Score: 204.38757
- Similarity Product: 147.4182256570995

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