Case C-227/14 P: Judgment of the Court (Eighth Chamber) of 23 April 2015 — LG Display Co. Ltd, LG Display Taiwan Co. Ltd v European Commission (Appeal — Competition — Agreements, decisions and concerted practices — Article 101 TFEU and Article 53 of the EEA Agreement — Worldwide market for liquid crystal display (LCD) panels — Price-fixing — Fines — Guidelines on the method of setting fines (2006) — Point 13 — Determination of value of sales — Joint venture — Taking sales to parent companies into account — Notice on immunity from fines and reduction of fines in cartel cases (2002) — Point 23(b), final paragraph — Partial immunity from fines — Evidence of facts previously unknown to the Commission)