PATENT CLAIM ANALYSIS

Application Number: 15743019
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2019-10
Patent Classification: ["362", "097100"]

Abstract:
The present invention provides a diffusion plate and a direct-type backlight module. By disposing the first groove on the light incident side of the second structure layer of the diffusion plate, disposing the second groove or the third protrusions on the light emitting side of the second structure layer, and the refractive index of the first structure layer, the second structure layer and the third structure layer is sequentially increased, the divergence angles of the incident light can be significantly increased, to achieve uniform backlight brightness. The direct-type backlight module of the present application includes the diffusion plate described above. The mura problem can be solved while reducing the number of the LED lamps and the light mixing distance, so as to realize the low cost and slim design of the direct-type backlight module, and are conducive to the use of the direct-type backlight module in the ultra-thin TV field.

Claim (Index 1):
A diffusion plate, comprising:\n a first structure layer, a second structure layer and a third structure layer disposed from top to bottom sequentially, wherein a side of the third structure layer far from the second structure layer is a light incident side; defining a refractive index of the first structure layer as n 1 , a refractive index of the second structure layer as n 2 , and the refractive index of the third structure layer as n 3 , and n 1 <n 2 <n 3 ; a contact surface between the first structure layer and the second structure layer in closely contact, a contact surface between the second structure layer and the third structure layer in closely contact; and wherein a plurality of first grooves is provided on a surface of the second structure layer in contact with the third structure layer, a plurality of first protrusions is provided on a surface of the third structure layer in contact with the second structure layer, shapes and sizes of the first protrusions coincide with shapes and sizes of the first grooves, respectively.

Metadata:
- Claim Count in Document: 44.0
- Percentile: 86.0
- Lexical Diversity: 2.23611
- Patent Class: 362.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['11565575', '11182095', '11566836', '10727269', '14893861']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8334195727915142
- 35 USC 102 Novelty (BERT): 0.4718386556255657
- Combined Prediction Score: 0.7972614810749195
- Mean Citation Score: 183.617924
- Max Citation Score: 192.9625
- Similarity Product: 143.63902392312886

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

Dataset: test