Hi @btl02 ,
Here’s the [https://download.lenovo.com/consumer/mobiles_pub/yoga720-13ikb_yoga720-15ikb_hmm_201702.pdf|hardware maintenance manual] for the laptop.
Go to p.61 to view the necessary pre-requisite steps and then the procedure to remove the LCD panel.
On p.87 Item #8 you will find the part numbers for the lid. Search online using ''only the part number'' appropriate to your particular model variant (see columns re model number) to find suppliers of the part
For some reason the part numbers for the LCD assemblies are not shown in the manual but here’s a link to the LCD assembly and other associated part numbers for a [https://pcsupport.lenovo.com/au/en/products/laptops-and-netbooks/yoga-series/yoga-720-13ikb-type-80x6/80x6/parts/display/compatible|Yoga 720-13IKB]
Click on ''Select Commodity'' and then click the checkbox on ''LCD Assemblies (2), LCD Consumable tape (1) and LCD parts (6)'' to find the part numbers for all the parts in the lid etc.
Here’s the link for a [https://pcsupport.lenovo.com/fi/en/products/laptops-and-netbooks/yoga-series/yoga-720-15ikb/80x7/parts/display/compatible|Yoga 720-15IKB] as you didn’t specify which model you have.
If you are unsure about which LCD panel to get for your model, usually the part number can be found on the back of the panel somewhere so that you can verify that you’re ordering the correct one.